Democrats trigger showdown with GOP after White House nominations are repeatedly blocked.

Source: Reid, Democrats trigger ‘nuclear’ option; eliminate most filibusters on nominees – The Washington Post

If you do read it, make sure to notice this excerpt…

Republicans vowed to reciprocate if they reclaim the majority.

“Democrats won’t be in power in perpetuity,” said Sen. Richard C. Shelby (Ala.), a 27-year member. “This is a mistake — a big one for the long run. Maybe not for the short run. Short-term gains, but I think it changes the Senate tremendously in a bad way.”