It's bad enough that Rep. Paul Ryan has to follow President Obama. Now the brainy Wisconsin congressman tapped to give the official Republican response to the State of the Union address must also compete for attention with Tea Party star Michele Bachmann. Bachmann, a third-term Minnesota congresswoman renowned for lobbing rhetorical bombs at her opponents, plans to rebut the president's address in an online broadcast at the Tea Party Express website Tuesday night. While Ryan's remarks will be carried by all the networks and cable news outlets as they happen, television news outlets have agreed to share a camera to...