Senator John McCain, who famously defended his then presidential opponent Barack Obama against an islamaphobic supporter during a 2008 campaign rally, defended now President Obama once again on ABC's This Week Sunday, cautioning his Republicans colleagues to cool it with talk of impeaching the President over the Benghazi attacks and its aftermath.

In response to Senator James Inhofe (R-OK) invoking the "I word," McCain called for caution:

"With all due respect, I think this is a serious issue," McCain told guest host Martha Raddatz. "I will even give the president the benefit of the doubt on some of these things. We need a select committee."

On how much blame former Secretary of State Hillary Clinton deserves, McCain was much less generous:

"I think the Secretary of State has played a role in this...she had to have been in the loop in some way, but we don't know for sure."

McCain next turned his ire on the now official 2016 Republican attack-ad on Clinton's "what difference does it make?" outburst during her Benghazi hearing.

"Her response before the foreign relations committee, 'who cares,' 'who cares how this happened,' in a rather emotional way...a lot of people care in respect to the Secretary of State."

McCain doubled down on the need for a select committee, calling for Clinton to be brought back for another hearing, suggesting that we are still uncovering new details of the Benghazi attack nine months later.