Murray maintained her confidence that the party would retain control of the Senate. She said that while Republican outside groups had spent $55 million so far, outspending Democrats by a 3-to-1 margin to date, the DSCC would help even the playing field going forward. She pointed to the group's $7 million money edge over the National Republican Senatorial Committee and the cash advantage most of their candidates had over their opponents.

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"The right-wing groups have had a real monopoly on the television airwaves but that is going to change now," she said.

The DSCC chairwoman attacked Republicans for backing Rep. Paul RyanPaul Davis RyanStudents arrested protesting gun violence outside Paul Ryan’s office Parkland father calls out Trump, McConnell, Ryan after Santa Fe shooting GOP revolts multiply against retiring Ryan MORE's (R-Wis.) plan to partially privatize Medicare, and promised wins in nearly every state the party is competitive in, though she did admit Nebraska was a tough battle.

When asked how likely she thought it was that the Senate would remain in Democratic hands, she joked about Senate Majority Leader Harry ReidHarry Mason ReidMcConnell not yet ready to change rules for Trump nominees The Hill's Morning Report — Sponsored by CVS Health — Trump’s love-hate relationship with the Senate Trump to press GOP on changing Senate rules MORE's (D-Nev.) statement that there were 50-50 odds his party would keep control.

"In terms of odds I am not from Nevada so I don't do odds," she said.