Warning signs abound for Trump's Republicans as midterm campaign begins final sprint

Trump's deep unpopularity is threatening Republicans' narrow Congressional majorities with just two months until the midterms.
Democrats appear likely to take the House while the Senate remains a toss-up — a Democratic majority could launch probes and block nominees.
Voter anger over affordability and the economy is boosting Democratic enthusiasm, while Republicans are banking on redistricting, big ad spending and a Trump-focused convention to close the gap.