David Schwartz, a gambling historian at the University of Nevada Las Vegas, said the prospects for government control of sports betting ads are uncertain.
Major sports leagues, broadcasters pledge responsible betting ads
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“The driving force behind lotteries is that one ticket isn't that expensive but you have a chance for a huge, huge payoff," Schwartz said. “I think people have an understanding there are pretty slim odds, but on the other hand, somebody has to win."
$1.1B Mega Millions jackpot latest in history of lotteries
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