McCaskill: Republicans need to get specific on spending cuts

McCaskill said Democrats have done their part in spurring economic growth but "we're going to continue to focus like a laser on the middle class and small businesses. But we've got to do a better job of communicating."

Earlier Tuesday, Republican Rep. Marsha BlackburnMarsha Blackburn178 Dems demand end to Planned Parenthood probe Carson: 'I would not want to be on the ticket or in the Cabinet’ Sunday shows preview: Sanders opens up about battle with Clinton MORE (Tenn.) was asked on MSNBC what programs she would cut from the budget, and she targeted "discretionary" spending. She said discretionary spending doesn't include defense or homeland security. She didn't list any specific cuts from the budget. 

Discretionary spending makes up about one-third of the entire federal budget. Non-defense discretionary spending accounts for about 13 percent of the budget.