Article snippet: Sen. Robert Mueller, who is investigating alleged Russian interference in the 2016 election and possible collusion by Trump associates. "I think he's the right guy at the right time," the senator said of Mueller. "Let Mr. Mueller do his job and make sure next time we defend ourselves against the Russians." When asked about the meeting with a Russian lawyer that Donald Trump Jr. had in Trump Tower during the campaign, which former White House chief strategist John McCain, R-Ariz. At the beginning of the interview, Graham shared a story of how Meghan McCain helped point her father in the right direction when he faced a decision during his 2008 presidential bid. Graham said that the McCain campaign debated whether or not to "go after" then-candidate Sen. Barack Obama for controversial comments made by his pastor, Rev. Jeremiah Wright. "Meghan said, 'Dad, don't do it. It's not right,' and all the smart people shut up, and John said 'Yeah, you're right Meghan," Graham said. "She was brave enough to say something," Graham said. ABC News' Allie Yang contributed to this report. Link to the full article to read more