If Obama gets an AWB passed, it will be the last thing he gets passed while he's president.
It could be the end for his agenda even if he doesn't get it passed. Even if Obama was able to strongarm all of the Congressional Democrats into voting for an AWB, the Republicans still hold the house and could stop it there. Such votes, however, would probably condemn many House and Senate Democrats to lose in the upcoming mid-term elections and give the Republicans a majority in both houses. By pushing too hard for gun control, Obama could very well turn himself into a lame duck.
Smith, and Wesson, and Me. -H. Callahan
Well waddaya know, one buwwet weft! -E. Fudd
All bad precedents begin as justifiable measures. -J. Caesar