Here's a look at stories shaping tonight's rundown. What headlines are you following right now?
- President Obama signs Patriot Act extension in Europe
- Sarah Palin and Michele Bachmann size each other up
- Bachmann plans to announce 2012 plans in Iowa
- Senator Tom Coburn speaks out in Ensign case, says he's 'proud of what I did'
- Texas Governor Rick Perry may seek GOP nomination
- Judge rules against U.S. ban on direct corporate donations to candidates