Yep, you read that headline right. Starting today, Ally Financial Inc. is launching a campaign entitled "Hardest Working Dollar" that will garner some fortunate St. Louisans $100 and $5,000 — and even $10,000 for one lucky winner.
The bank says it's planning to put 500 specially designated dollar bills into circulation in the city via convenience stores, coffee shops and diners where cash is regularly used.…