"Trump's approval rating is low enough that voters are basing their choice in the 2018 midterms on their feelings about him rather than Republicans, so we're seeing very poor results in district-level polling relative to 2016", said David Wasserman, who analyzes House races for the Cook Political Report.
Nervous enough to send out blatantly racist flyers encouraging people to vote against the two Democratic candidates for the District 111 House seat.
Democrats had already made it clear the seat would be a top target in next fall's midterm elections - its population is roughly one third Hispanic and one third Asian American, making it a prime pickup opportunity in the age of Trump.
"While Democrats fight with each other, Republicans will focus on fighting Democrats - and that's how we plan to win", Stivers said.
The only remaining threat to the Republican Party's control in the House is the ongoing voters' lawsuit, backed by Democrats, over some voters receiving the wrong ballots in Thomas' Fredericksburg-area district.
However, Republicans see a silver lining in the sheer number of Democratic challengers in some of these races.
He is the eighth out of the 22 Republican House committee chairmen to announce he is leaving Congress this election cycle. GOP officials said the party has solid recruits in both races. Some corporate contributors become known because they voluntarily disclose their donations, but the chamber has become a discreet way for corporate America to try to influence elections without publicly picking a side that might alienate customers. "Then we just have to win the general election".
The list includes including Financial Services Committee Chair Jeb Hensarling of Texas, Committee on Science, Space, and Technology Chair Lamar Smith, also of Texas, Judiciary Committee Chair Bob Goodlatte of Virginia, Transportation and Infrastructure Committee Chair Bill Shuster of Pennsylvania and House Administration Committee Chair Gregg Harper of Mississippi.
The 49th congressional district, which stretches along the coast from San Clemente in Orange County to Del Mar just north of San Diego, has seen its Republican majority disappear in recent years.
Passing an infrastructure bill in the Republican-controlled Congress to improve US infrastructure like roads, airports, ports and railways, will likely require support from the Democratic party in the Senate where Republicans only have a slender majority. Associated Press Writer Jonathan J. Cooper in Sacramento contributed.