WASHINGTON—President Donald Trump met with Senate Republicans on June 24 after declining to sign housing legislation as he called for senators to pass the Safeguard American Voter Eligibility (SAVE America) Act, an election integrity bill that has faced headwinds in the upper chamber. The discussion, which comes as tension has risen between some Senate Republicans and Trump over multiple issues, included a heated exchange between the president and Sen. Bill Cassidy (R-La.), one of several Republicans who supported the war powers resolution that passed the chamber on June 23. Following the meeting on Capitol Hill, the president projected optimism in comments to reporters. He did not say what he told Republicans in the meeting....