Sen. John McCain said it would be a “tough choice” for him choosing who to vote for if Hillary Clinton runs against Rand Paul in 2016.

John McCain: 2016 Race Between Hillary and Rand Paul Would Be a Tough Choice

AP

The Arizona Republican and 2008 GOP presidential nominee made the comment to the New Republic in an interview published Tuesday. Asked about a hypothetical race between the former secretary of state and his Republican Senate colleague Paul — whom McCain called a “wacko bird” along with his Tea Party-backed allies — McCain laughed, “It’s gonna be a tough choice.”

“Let me just clarify that,” McCain said. “I think that Rand Paul represents a segment of the GOP, just like his father. And I think he is trying to expand that, intelligently, to make it larger.”

Clinton and Paul are both considered top contenders for 2016 presidential bids.