As President Trump makes an abrupt pivot toward Russia, upending generations of American foreign policy, he is also defying members of his own party in Congress, many of whom have spent their careers arguing for a hawkish stance against Moscow and strong backing for allies in Europe facing its most immediate threats.
But the response from Republicans on Capitol Hill has been muted, in some cases to the point of silence. There has been little G.O.P. pushback on Mr. Trump’s efforts to draw closer to President Vladimir V. Putin of Russia or
blame Ukraine as he seeks to bring a quick end to the war that began when Russia invaded the country.
