Sen. John McCain says it's "very likely" the Senate will approve new sanctions against Iran that would take effect in about six months if there are no more breakthroughs in negotiations.

The Arizona Republican also addressed his disagreements with Secretary of State John Kerry, who recently went up to Capitol Hill to persuade lawmakers to steer clear of new sanctions. 

"He thinks that the agreement states that basically the Iranians maintain the right to enrich. I don't think that that should be the case after their lying and cheating and concealing for all of these years," McCain said Sunday on CNN's "State of the Union."  "The centrifuges keep spinning, the — there can still be quote, construction around the facility at Arak.  So we are now pausing when they are continuing — we're easing sanctions while they're continuing a lot of their activities."

Read more about: John McCain, John Kerry, Iran, Sanctions