This Week In Politics: One Upstage After Another

It's been a busy week for all kind of politics. Mitt Romney announced he's running for the Republican presidential nomination, but Sarah Palin got the headlines by taking a family vacation, with news cameras in tow. Democrats got a few headlines too, between John Edwards' indictment and Congressman Anthony Weiner's wayward photo tweets. Host Scott Simon and NPR political editor Ken Rudin talk about this week's stories.