GOP calls Trump its ‘secret weapon’ — but polls show warning signs heading into midterms

Republican National Committee Chair Joe Gruters says that President Donald Trump is the GOP's "secret weapon" that will help the GOP "defy history" in November's midterm elections, when the party in power traditionally loses House and Senate seats. But one year into his second tour of duty in the White House, public opinion surveys suggest many Americans are souring on the president and his agenda.

The president's approval rating stands at 45% in the latest Wall Street Journal poll, at 41% in Reuters/Ipsos...