Their ratings are irrelevant for Obama. What's important for him is how independent voters are perceiving it. And while Obama's approval ratings have fallen (as they always do early in a new President's term), the Republicans' ratings are even worse.

As far as "Glenn Beck has already defeated Barack Obama several times" is concerned, that's exactly what is going to change now. He "defeated" Obama because the White House didn't join the fight. Now they're joining the fight.