(WTAM) The Powerball jackpot is now a $500,000,000 for tonight's big drawing. Lottery officials added another $50-million to the kitty today as ticket sales surged. 

The cash option for tonight's drawing would top $300,000,000 before taxes. 

There's some concern that the huge Powerball jackpot may create a gambling addiction in some people. It's estimated that 500,000 are at risk for some level of problem gambling in Ohio alone. 

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