Reactions from Republican Senators and Party Leaders

President Trump's agreement with Iran opened new fissures in his party on Wednesday, with Republicans on Capitol Hill and beyond questioning whether his administration had secured adequate concessions from Iranian leaders after months of a costly and unpopular war.
After the Trump administration released the text of the arrangement on Wednesday, some Senate Republicans reacted with fierce criticism, skepticism and alarm. Prominent members of the G.O.P.'s old guard from outside Congress also sounded dubious notes. And even some of the president's allies in the conservative news media voiced concern.
"Reagan is rolling over in his grave," Senator Bill Cassidy, a Louisiana Republican who lost in a primary last month after Mr. Trump targeted him for defeat, wrote on social media. He said that Iran's nuclear ambitions "were not curbed" and that the country had learned that it could leverage the Strait of Hormuz, the oil shipping corridor that has been closed during the war and is set to reopen under the deal, to extract concessions.
The war, Mr. Cassidy said, was "the worst foreign policy blunder in decades."
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Bill Cassidy speaks to a group of reporters on Capitol Hill.
Senator Bill Cassidy, Republican of Louisiana, wrote on social media on Wednesday that the war with Iran was “the worst foreign policy blunder in decades.” Credit...Haiyun Jiang/The New York Times
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