Players of progressive slot machines may see jackpot increases in the future thanks to some companies’ desire to compete with large lottery payouts in other states. The three-member Nevada Gaming Control Board conducted a workshop Wednesday on a petition by IGT and Bally Technology to change regulations that aim at get more players to spend their money on the progressive machines. The proposed amended regulation for these jackpot increases would allow a Nevada company with a network of progressive machines to tie the Nevada progressive machines into the slots owned by the company in other states where gambling is legal. If…