Boomer’s Sportsbook received regulatory approval to operate locations inside Four Queens and Binion's casinos in downtown Las Vegas. (Las Vegas Review-Journal/File)Boomer’s Sportsbook is expanding its Las Vegas presence with new sportsbooks at Four Queens hotel-casino and Binion’s Gambling Hall after receiving approval Wednesday from the Gaming Control Board. Circus Circus heir OK’d for licenseAdditionally, the board approved licensing Michelle Ruffin-Stein as vice president of Circus Circus LV LLC. Her Circus Circus license application was related to family estate planning involving the property. The board praised her hospitality background and noted the legacy of her father, Phil Ruffin, who owns Circus Circus and Treasure Island.