The White House indicated on Sunday that President Trump would accept new legislation curtailing his authority to lift sanctions on Russia on his own, a striking turnaround after a broad revolt by lawmakers of both parties who distrusted his friendly approach to Moscow and sought to tie his hands.
If it passes, as now seems likely, the measure will represent the first time that Congress, with both houses controlled by fellow Republicans, has forced its will on Mr. Trump on a major policy matter. That it comes on an issue as fraught as Russia illustrates how investigations into possible