Koch Talks, Julia Jokes, Hilton Goes Mad, Halo Extends

- Former Mayor Ed Koch tells us why New York's Presbyterian Hospital should be considered a national treasure and funded as such. Munn Rabot created and Pulitzer Prize-winning photographer David Hume Kennerly directed.

- Tired of annoying acronyms and abbreviations brought on by the pop culture of cell phones and instant messaging? So is Jul3ia. Irritated with social networking sites taking over your life? So is Jul3ia. Don't remember the last time you actually saw the sky or went outside? Neither does Jul3ia. (Go easy. It's a friend's daughter.)

- Hilton HHonors is offering members a Live Like a Mad Man Sweepstakes to win a trip to New York to be wined and dined, made over by the show's stylist, as well as receive their very own autographed script by booking the "Mad Men" rate at any Hilton hotel.

- The extended Halo 3 trailer.