“He just blindly sent me a message — to the museum — with this dollar bill and asked if I could authenticate it, that it was ...

— -- It's time for a change. Treasury officials say Alexander Hamilton no longer fits the bill for the $10 note, and plan to replace him with the face of an American woman or women.

Hand someone a ten-dollar bill, and most people will say you handed them ten bucks. It sounds casual, quick, and natural. Everyone says it. Gas is four bucks a gallon. Burgers go for six bucks.