Dreams of quitting an uninspiring job, helping the needy and travelling the world opened American wallets on Wednesday for a chance to win the biggest-ever US$1.5 billion Powerball lottery jackpot. NEW YORK: Dreams of quitting an uninspiring job, helping the needy and travelling the world opened American wallets on Wednesday for a chance to win the biggest-ever US$1.5 billion Powerball lottery jackpot.