Former Sen. Al D'Amato (R-N.Y.) said on Sunday that Republicans should not try to intervene at the party's convention in order to stop Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE from securing the nomination, warning that doing so would cause a "revolution" in the party.

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In a radio interview with John Catsimatidis, D'Amato blasted Mitt Romney for his recent anti-Trump efforts, saying that the Republican establishment shouldn't mobilize against the real estate mogul.

"You've got people like that trying to stop Trump, and I think they should be ashamed of themselves," D'Amato said. "If they want to be for a candidate, be for a candidate, come out for the candidate, campaign for the candidate. But don't just go on with this business, 'We want a stalemated convention so that the powerbrokers – whoever's left of them – can decide.'"

The former New York senator warned that such a measure would drive away the voters that the real estate mogul has attracted to the party and would alienate the rest of Trump's supporters.

"If they do that, I think that there's going to be a revolution. I think that the many people who have come to the party or supported Donald are gonna lose heart and faith in it. Let the process work out, don't try to engineer it."