Rank-and-file voters who responded to Trump's gut-level appeals are considering new primary choices in a GOP under the president's control.
On Tuesday, West Virginia will join Indiana, North Carolina, and Ohio in hosting primary elections in states Trump carried in 2016.
GOP leaders are hoping Don Blankenship will not win the West Virginia Republican Senate primary, as he may hurt their chances of beating Democrat Joe Manchin.
Three Republican Indiana Senate candidates have elbowed their way toward an election that will determine who faces Sen. Joe Donnelly in November.
Trump lamented that the 51 seats Republicans currently hold in the Senate are "not really a majority."
Manchin and Donnelly are the second and third Senate Democrats to announce their support for Pompeo, joining Heidi Heitkamp.
Trump's decision to reconsider joining the TPP opens up another potential line of attack for some Democrats.
Democrats who face re-election in states Trump won in 2016 face pressure to support measures seen as bipartisan.
Koch-backed Americans for Prosperity announces it will sink another $4 million into new digital and TV ads touting the benefits of tax reform.
If midterm elections were held today, five Senate Democrats would lose to Republicans, according to new surveys by Axios/SurveyMonkey.
The bill now heads to a Senate where lawmakers face a tougher task in extending government funding
Fewer than 10 big banks in the United States would still be subject to the stricter oversight imposed by Dodd-Frank, the New York Times reports.
Sen. Al Franken plans an announcement Thursday after new allegations and growing calls for his resignation.
Republicans in the U.S. House of Representatives forged ahead on Tuesday with legislation to reshape the federal tax code.
Republicans are getting the cold shoulder as they ramp up the pressure on Democrats to support tax reform.
Trump's initial plan would eliminate the Alternative Minimum Tax and estate taxes, and tax "pass through" businesses at 25%. Those changes could greatly benefit Trump.
Trump has pushed for lower rates for corporations and so-called pass-through businesses.
But Dems fight back with report showing that eliminating the estate tax benefits the rich.
U.S. Senate Democrats offered to work with Republicans on a bipartisan tax reform package but only if it does not cut taxes for the wealthy, add to the deficit or allow Republicans to enact legislation on their own.
A Senate showdown is at hand over President Donald Trump's Supreme Court nominee, and it could change the Senate and the court for years to come.