From Michael Barbaro and Jeremy W. Peters writing at The New York Times:
Senator Marco Rubio has persuaded wealthy donors, Republican Party elders and his colleagues in Congress that he represents their best chance to overtake the seemingly invincible force that is Donald J. Trump.
He just cannot seem to persuade the voters.
His distant second-place finish in Nevada on Tuesday night — 22 points behind Mr. Trump and just 2.5 ahead of Senator Ted Cruz — highlights how precarious his path is becoming and the profound difficulty Mr. Rubio faces as the candidate of the party’s pragmatic mainstream in a year of voter anger and rejection.
Mr. Rubio’s time and his opportunities for victory are quickly running out, according to even his own supporters, who are offering increasingly candid assessments of his chances.
“It’s not going to be easy for Marco Rubio to do it,” said Representative Peter T. King of New York, who endorsed Mr. Rubio on Tuesday. “There is no doubt that right now, Trump is the favorite.”
Read the rest of the story at The New York Times.