Democrats argue that the Senate is being prevented from addressing really important issues, ranging from unemployment to wartime intelligence, because Republicans have scheduled thirty consecutive hours of debate on the President's judicial nominations. The implication is that the judicial confirmations are relatively unimportant.
If they honestly consider the President's judicial nominations relatively unimportant, the Democrats can end the debate anytime, and get back to the business they claim is really important to them, simply by voting "yes" to ending debate - all the Republicans will vote with them. Bi-partisan comity will reign supreme, and the President's judicial nominees will receive an up or down vote of the full Senate, and be confirmed or rejected.
The Democrats will not do this, because the judicial nominations are extremely important to them, and their claim to the contrary is a cynical, disingenuous insult to the American People.