‘Prominent neocon Robert Kagan has endorsed Democrat Hillary Clinton for president, saying she represents the best hope for saving the United States from populist billionaire Donald Trump, who has repudiated the neoconservative cause of U.S. military interventions in line with Israel’s interests.

In a Washington Post op-ed published on Thursday, Kagan excoriated the Republican Party for creating the conditions for Trump’s rise and then asked, “So what to do now? The Republicans’ creation will soon be let loose on the land, leaving to others the job the party failed to carry out.”

Then referring to himself, he added, “For this former Republican, and perhaps for others, the only choice will be to vote for Hillary Clinton. The [Republican] party cannot be saved, but the country still can be.”’

Read more: Bush Neocons back Clinton for President in US One-Party State