The Day in Gossip: Barack Obama’s S.O.S. to Celebs; Lydia Hearst Parties!

Lydia Hearst and boyfriend Cisco Adler were among the “tipsy celebs” last weekend at Tao nightclub in Las Vegas. [Page Six]

Weeks after refusing Brad Pitt’s offer to help his campaign, Barack Obama has “put out a call for celebrities.” [Rush & Malloy: 1st item]

Harvey Weinstein “physically removed” a man from his female friend’s lap at the Gramercy Park Hotel’s Rose Bar. [Page Six]

Owen Wilson has been spotted biking around town with restaurateur Nello Balan’s umbrella foe, model Le Call. [Page Six]

P.R. “Power Girl,” Lara Shriftman, is pregnant with rum heir Juan Bacardi’s child. [Page Six]

L.A. talent agencies compete over which company can hand out the tastiest snacks to picketing writers. [Page Six]

Playing a jewel thief in her new movie has made actress Eva Mendes obsessed with jewelry in real life. [Page Six]