The two biggest criticisms of Trump that GOP lawmakers express privately are that his administration took too long to deploy coronavirus tests and that the president’s statements and demeanor have been too cavalier.
Some are concerned about surveys showing his approval rating below that of all 50 governors and other world leaders.
Recent polls show Sen. Steve Daines (R-Mont.), a once-safe incumbent, now trailing his Democratic opponent, Gov. Steve Bulloc.
Incumbent GOP Sens. Cory Gardner (Colo.) and Martha McSally (Ariz.) are well behind in the polls, while Sens. Thom Tillis (R-N.C.) and Susan Collins (R-Maine) are in toss-up races.
Democrats need to net three seats and the White House to win the Senate majority.