Grocery store charity begging at checkout

Marketplace had a story about Randall's grocery store and how cashiers are required to ask you to donate to charity. This happens at Randall's and other grocery stores too:

It's becoming more common for grocery store shoppers to be asked to contribute to charities while they're in the check-out line. Those small contributions can add up for worthy causes, but there are hidden costs involved. READ MORE

Naturally these type of things raise some serious cash.