Las Vegas Review Journal – Sports betting is big business in Nevada with $3.45 billion wagered in race and sports books statewide in the last reporting year. It also helps bring in millions of tourists annually to wager on the Super Bowl and NCAA basketball tournament. “Sports betting has been tremendous for us this year,” said Matthew Holt, vice president of business development at CG Technology, formerly Cantor Gaming. “We expect huge numbers this weekend from the final four in the NFL playoffs. Denver versus New England and Seattle against San Francisco will do very well.” But Las Vegas casinos…