"It's so we don't forget about the people in Newtown, " Rizzo said, tapping the patch with his hand.

WSJ: MLB teams honor Newtown victims before openers

Out to the movies, at Grandma's for Thanksgiving, they're tapping away at their little hand-held currency reader gadget just checking the situation for the Japanese yen or Zimbabwean dollar.

NPR: Currency Traders Spy Opportunity In Crazy Times