"If Klein were a movie character, he'd be James Bond in a bright blue suit," artists discuss the Yves Klein show at the Hirshhorn.

Louis Vuitton is hosting a thought-provoking show by Odile Decq and Camille Henrot at its flagship store in Paris.

Silvio Berlusconi and the mayor of Florence are battling over who really owns "David," though the real issue may be money.