Sen. Fischer endorses Rubio

Sen. Deb FischerDebra (Deb) Strobel FischerThe 23 Republicans who opposed Trump-backed budget deal Landmark US-Russia arms control treaty poised for final blow GOP senator introduces bill banning 'addictive' social media features MORE (R-Neb.) is throwing her support behind Sen. Marco RubioMarco Antonio Rubio The 13 Republicans needed to pass gun-control legislation GOP group's ad calls on Graham to push for election security: 'Are you still trying?' Former Massachusetts Gov. Deval Patrick joins CBS News as contributor MORE (R-Fla.) a day before the New Hampshire primary.

"He will be a strong commander-in-chief. He will keep us safe," she told Fox News' "America's Newsroom" on Monday.
 
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Fischer, a member of the Senate Armed Services Committee, added that no one knows the challenges the United States faces in a dangerous world better than Rubio.
 
Rubio took third place in the Iowa caucuses and has been hoping for at least a second-place showing in New Hampshire.
 
During Saturday's Republican presidential debate, however, he took some hits from rival candidates who criticized him for being overly scrupted.
 
Fischer separately told the Lincoln Journal Star that she's "very excited" about Rubio and "would hope to give him a bump in New Hampshire."