Photos: The evolution of Valentines

A display at the History Museum at the Castle in Appleton, Wis., showcases elaborate paper lace valentines and 1910 postcards.

Fair Fares – Tonight at 10 p.m.

Millions of dollars are spent on air fare subsidies. Is the cost worth the benefit? We crunch the numbers tonight.

SNL 40 preview

“Saturday Night Live” celebrates its 40th anniversary this Sunday.