Week In News: GOP Still Looking For Obama's Challenger
President Obama and his GOP rivals are sparing over gas prices. In an election year, that pocketbook issue could hurt the president, but Republican voters still have no clear cut nominee to face off in November anyway. Rick Santorum and Mitt Romney square off in Michigan on Tuesday, with poll numbers flipping between the two. Weekends on All Things Considered host Guy Raz speaks with Chicago Tribune columnist Clarence Page about these and other news stories from the week.