Republican Sen. John McCain says if the president is not prepared to hold Putin accountable for Russian interference in the 2016 elections, the Helsinki summit should not take place.
The president plans to meet late Tuesday with House Republicans as lawmakers from both parties are up in arms over the administration's policy of family separation.
The six-term senator and Vietnam War vet is one of the few Republican voices to publicly rebuke Trump administration decisions.
In 2015, Sens. John McCain and Jeff Flake investigated how the Department of Defense finances displays of patriotism at sporting events with taxpayer dollars.
The Arizona senator, fighting brain cancer, spent his week promoting his new book, opposing the nomination of Gina Haspel for CIA director and yanking Donald Trump's chain.
The U.S. has become a country that supports torture, so the fight to stop the godmother of the CIA's "enhanced interrogation" program may be futile.
President Trump announces that U.S. forces, in a combined operation with France and the U.K., have conducted precision strikes on targets associated with Assad's chemical weapons program.
President Trump condemns a "mindless CHEMICAL attack" in Syria that killed women and children, calls the Syrian president an "animal," and threatens unspecified consequences.
The White House leak revealed that the president disregarded advice that he not congratulate the Russian president on his recent re-election, which was plagued by reports of fraudulent voting.