A midterm election handicapper upgraded Republicans’ chances of winning eleven House races Friday after major redistricting victories for President Trump. The new race ratings released by the nonpartisan Cook Political Report pertain to congressional districts in Virginia, Tennessee and Florida. Four districts in Virginia, where the state Supreme Court ruled on Friday against implementing a new Democrat-friendly congressional map, have been shifted from “solid,” “lean” or “likely” Democrat to “lean” or “solid” Republican or “toss up.” Follow The Post’s live coverage of President Trump and national politics for the latest news and analysis Rep. Jared Moskowitz’s House seat could be in danger. CQ-Roll Call, Inc via Getty Images Rep. Steve Cohen’s district is being redrawn. AP The commonwealth’s 7th Congressional District, held by Rep. Eugene Vindman (D-Va.), has also been downgraded from solid to likely Democrat.…