Webb joins ranks in questioning tax increases on the wealthy

"I don't think they ought to be drawing a distinction at $250K," he told Fox News.

President Obama and congressional Democratic leaders have advocated ending the Bush tax cuts for individuals making more than $200,000 and couples who earn at least $250,000. The plan does not seem to be gaining traction with rank-in-files Democrats. 

Aside from Webb, Sens. Kent Conrad (D-N.D.), Evan Bayh (D-Ind.) and Ben Nelson (D-Neb.) have questioned ending any tax break at a time of economic uncertainty. Former Democratic lawmaker Joe Lieberman (I-Conn.) also has questioned the move. 

Senate Majority Leader Harry Reid (D-Nev.) is expected to act on the Bush tax cuts after the chamber completes work on the small-business bill. He has signaled he will propose ending tax cuts for the wealthy while continuing breaks that benefit the middle class for at least one year.