“Senate Republicans want to spend this week insulating themselves from a deteriorating political environment before getting back on the campaign trail. Instead, they’re fending off some final curveballs from President Donald Trump,” Politico reports.“White House decisions to use air campaign-style ads with taxpayer funds while separately rescinding about a billion dollars in congressionally approved spending are the latest pre-midterm frustrations for GOP senators — who spent much of Monday fielding off-message questions about the president’s latest actions.”