Presidential hopeful Marco Rubio. Photo: Gage Skidmore.

Washington Post – Mainstream Republican donors and elected officials flocked to Sen. Marco Rubio (Fla.) on Monday amid a growing sense that he is the last best chance to prevent Donald Trump from running away with the ­Republican presidential nomination.

But Rubio’s path remains narrow and perilous. He has yet to win a state, and a raft of major March 1 contests known as ­“Super Tuesday” offers few obvious chances for him to do so. And if Trump keeps racking up wins, it will become more difficult to blunt his progress.

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