• Ari Berman from “The Nation” joins us at 9:30am ET / 6:30am PT to talk about the GOP presidential contenders that have jumped in and out of the 2012 race
• Actor Sean Astin calls in at 10:05am ET / 7:05am PT to talk about his first foray into politics
• Charlie Pierce (The Boston Globe, “Idiot America”) calls in at 10:30am ET / 7:30am PT to talk about the news of the day in the funniest way possible
• Actress and comedian Aisha Tyler joins us in the Los Angeles Bureau at 11:05am ET / 8:05am PT for another edition of “Tuesdays With Tyler”
• Anchor and correspondent Rita Cosby calls in at 11:30am ET / 8:30am PT to talk about the paperback release of her book, “Quiet Hero: Secrets From My Father’s Past”
• Real estate mogul and television celebrity Donald Trump, who generated a media publicity blitz by saying he might run for president in 2012, announced Monday that he will instead remain a businessman.
• Former California Gov. Arnold Schwarzenegger has acknowledged that he fathered a child with a member of his household staff, a revelation that apparently prompted wife Maria Shriver to leave the couple’s home before they announced their separation last week.
• A near-record crest is forecast in Greenville, Mississippi, Tuesday as the bloated Mississippi River makes its relentless march toward the Gulf.
