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

As the unofficial start of the campaign sprint kicks off on Labour Day Monday, United States President Donald Trump’s deep unpopularity is imperilling Republican chances of maintaining their narrow majorities in Congress with just two months before November’s midterm elections . Midterm elections, above all, are a referendum on the occupant of the White House, according to election experts.

That is even more of a truism in the era of Trump , who has spent the better part of a decade as the country’s dominant political figure and could face stiff political headwinds in his final two years in office. If Democrats win a majority in the US House of Representatives, as appears likely, the party would be able to open damaging investigations into Trump’s administration while forcing the White House to compromise on most legislation. Party leaders have already vowed to launch probes into what they describe as Trump’s corruption. The race for US Senate control is much too close to call, according to analysts, but a Democratic majority in that chamber could block many of Trump’s nominees, including any Supreme Court justices in the event of a high court vacancy. While Democrats face their…