POWERBALL Majority of combos picked

DES MOINES, Iowa (AP) - Powerball is a game of numbers, and lottery officials say the majority of possible combinations have already been purchased ahead of Saturday night's near-historic $600 million drawing. The odds of winning the game's largest jackpot remain astronomically high: 1 in 175.2 million. But since about 80 percent of the possible combinations have been purchased, lottery ...