Senate Republicans on Monday recoiled at former President Trump’s comments at a rally in New Hampshire over the weekend, where he said the thousands of immigrants streaming into the United States on a daily basis are “poisoning the blood of our country.” They also balked at Trump quoting Russian President Vladimir Putin’s criticism of the American political system as a defense against the 91 felony counts he is facing in Washington, D.C., Miami and New York. “I think it’s unhelpful rhetoric,” said Sen. Thom Tillis (R-N.C.), a member of Senate Republican Leader Mitch McConnell’s (Ky.) leadership team, when asked about...