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Rep. Christopher H. Smith, New Jersey Republican, speaks at a news conference discussing the introduction of a bill that would ban federal funding of abortions. House Speaker John A. Boehner looks on. (Associated Press)

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A vendor walks past graffiti that reads in French "Welcome back J.C. Duvalier" in downtown Port-au-Prince on Thursday. Haiti's former dictator Jean-Claude Duvalier returned Sunday to Haiti after nearly 25 years in exile, a move that comes as his country struggles with a political crisis and the stalled effort to recover from last year's devastating earthquake. (Associated Press)

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Supporters of Haiti's former dictator Jean-Claude Duvalier chant pro-Duvalier slogans outside the hotel where Mr. Duvalier is staying in Port-au-Prince, Haiti, Wednesday Jan. 19, 2011. (AP Photo/Rodrigo Abd)

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In this Tuesday, Jan. 18, 2011, photo provided by the State Emergency Service and made available Wednesday Jan. 19, 2011, a levee is in place around a power substation in an attempt to hold back water from the swollen Loddon River at Kerang, Australia. Up to 1,500 homes in Kerang, in the north of Victoria state, could be affected if the Lodden River rises any further. (AP Photo/SES, Rodney Dekker)

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Toll Bros. is building 2,700 single-family homes on 6,900-square-foot sites at the Villages at Loudoun Valley in Ashburn. The homes have 3,196 to 3,366 finished square feet, with base prices from $509,995 to $527,995.

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The Putnam model at the Villages at Loudoun Valley in Ashburn has an open center-island kitchen, breakfast area and family room at the back of the home. The Putnam has 3,196 square feet and is priced from $509,995.

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Richmond American Homes is building 69 single-family homes on quarter-acre homesites at Saint Charles in St. Charles. The homes have 1,992 to 2,736 finished square feet, with base prices from $289,990 to $334,990.

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The Alison model at Saint Charles has an optional fireplace. The Alison has 2,168 square feet and is priced from $294,990.

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An Airtel billboard in Nairobi, Kenya, reflects the aggressiveness of the communications giant. Millions of mobile-phone subscribers in Africa saw the company icon on their phone screens change from Zain to Airtel last fall. (Associated Press)

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Researcher Samuel Belknap III displays the skull of a domesticated dog on Friday at the University of Maine in Orono. Mr. Belknap found a bone fragment of what he says is the oldest-known domesticated dog in North America while examining waste matter recovered from Hinds Cave. (Associated Press)

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Haiti's former dictator Jean-Claude "Baby Doc" Duvalier talks by phone on the balcony of his hotel room in Port-au-Prince, Haiti, Wednesday Jan. 19, 2011. (AP Photo/Ramon Espinosa)

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White birds are released over Ukrainian believers during an Epiphany ceremony to bless the water in Lviv, Ukraine, Wednesday, Jan. 19, 2011. Orthodox believers celebrate the holiday of the Epiphany on Jan. 19, and traditionally bathe in holes cut through thick ice on rivers and ponds to cleanse themselves with water deemed holy for the day. (AP Photo/Petro Zadorozhnyy)

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People in Jafarabad, 300 kilometers north of Quetta, Pakistan, pray outside their homes as a severe earthquake hits the area on Wednesday morning. The 7.2-magnitude quake shook many parts of the country and caused tremors as far away as India and the United Arab Emirates. (Associated Press)

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Mark Kelley, who lives on the Coeur d'Alene River near Enaville, Idaho, pauses as he stands next to his vehicle in frigid waist-deep flood water Monday, Jan. 17, 2011, as a towing services uses a winch to pull his 1992 Jeep Cherokee up his driveway. Warm temperatures and steady rain has caused flooding and prompted evacuations in the area. (AP Photo/Coeur d'Alene Press, Shawn Gust)

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Cars are left stranded on East Lolo Pass, after heavy weekend rain caused the flooding of the Sandy River and washed out the road, in Zigzag, Ore., Monday, Jan. 17, 2011. (AP Photo/The Oregonian, Torsten Kjellstrand)

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Waters of the Sandy River flow down East Lolo Pass in Zigzag, Ore., Monday, Jan. 17, 2011. The rains in Oregon were pushing some rivers and streams over their banks at a time when many waterways were rising because of warming temperatures and melting snow, with some rivers reaching flood stage and more were expected to rise above that level. (AP Photo/The Oregonian, Torsten Kjellstrand)

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Chloe, the canine pet of Mark Kelley, waits patiently near her home that is surrounded by flood waters of the Coeur d'Alene River near Enaville, Idaho,on Monday, Jan. 17. 2001. Warm temperatures and steady rain have caused flooding and prompted evacuations in the area. (AP Photo/Coeur d'Alene Press, Shawn Gust)

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Haiti's former dictator Jean-Claude "Baby Doc" Duvalier (center) waves to supporters from a hotel balcony after his arrival in Port-au-Prince, Haiti, on Sunday. Mr. Duvalier returned Sunday to Haiti after nearly 25 years in exile, a surprising and perplexing move that comes as his country struggles with a political crisis and the stalled effort to recover from last year's devastating earthquake. (Associated Press)

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People leave their home at a flooded area after landslides in Nova Friburgo, Brazil, Monday, Jan. 17, 2011. (AP Photo/Felipe Dana)

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Rescue workers cover the recovered body of landslide victim Samara Coelho da Silva, 13, in Nova Friburgo, Brazil, Monday, Jan. 17, 2011. Brazil's army on Monday sent 700 soldiers to help throw a lifeline to desperate neighborhoods that have been cut off from food, water or help in recovering bodies since mudslides killed at least 642 people. (AP Photo/Felipe Dana)