President Donald Trump’s nomination of Brett Kavanaugh to the Supreme Court beams an even brighter spotlight on the handful of red-state Democratic senators who were already facing blistering pressure from both the left and right. Sens. Joe Manchin (D-W.Va.), Heidi Heitkamp (D-N.D.) and Joe Donnelly (D-Ind.) were under intense scrutiny even before Trump tapped Kavanaugh, […]