Graham: I'm 'not so sure' McCain is right that a majority of Americans back free trade

Graham: I'm 'not so sure' McCain is right that a majority of Americans back free trade

Sen. Lindsey GrahamLindsey Olin GrahamGOP senator: Family separation policy 'inconsistent' with American values Trump’s trusted diplomat faces daunting task with North Korea Trump’s danger on North Korea? Raised expectations MORE (R-S.C.) took a jab at Sen. John McCainJohn Sidney McCainDonald Trump is delivering on his promises and voters are noticing The Memo: Trump’s media game puts press on back foot Meghan McCain shreds Giuliani for calling Biden a 'mentally deficient idiot' MORE (R-Ariz.) on Sunday, saying he was "not so sure" about McCain's remarks on Saturday that a majority of Americans favor free trade.

"I'm not so sure John's right about where America is on trade," Graham told ABC's George Stephanopoulos on "This Week." 

"The [Sen.] Bernie SandersBernard (Bernie) Sanders If Congress takes no action, the Social Security trust fund will become depleted in 2034 Ex-campaign manager: Sanders is still eying another presidential bid DNC chair backing plan to cut superdelegates opposed by Dem lawmakers MORE [I-Vt.] element of the Democratic Party doesn't stand for free trade. Hillary ClintonHillary Diane Rodham ClintonThere are many unanswered questions about FBI culture FBI agent who sent anti-Trump texts offers to testify on Capitol Hill Giuliani wants 'full and complete' investigation into Russia probe's origins MORE said she would get out of the Trans-Pacific Partnership if she had become president. There is a movement in our party that Trump's seized that got him the nomination, and eventually became president of the United States," Graham continued. "So I'm not so sure a majority of Americans believe that globalization and free trade is in our interests," he continued.

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"I believe that. John McCain believes it, but the reason we're having these problems here at home, Brexit, Italy, there's a movement all over to look inward not outward and I think it's a mistake, but I'm not sure most Americans agree with John McCain and Lindsey Graham." 

Graham's comments come after McCain took to Twitter Saturday night to slam President Trump for his threat to slap new tariffs on Canada and his decision to pull his endorsement of a joint communique signed with other Group of Seven (G-7) members at this weekend's summit in Canada. 

"To our allies: bipartisan majorities of Americans remain pro-free trade, pro-globalization & supportive of alliances based on 70 years of shared values. Americans stand with you, even if our president doesn’t," McCain said. 

McCain was responding to a pair of tweets the president sent earlier Saturday while he was en route to Singapore for a summit with North Korean leader Kim Jong Un.

"Based on Justin’s false statements at his news conference, and the fact that Canada is charging massive Tariffs to our U.S. farmers, workers and companies, I have instructed our U.S. Reps not to endorse the Communique as we look at Tariffs on automobiles flooding the U.S. Market!" Trump said in a tweet. 

Trudeau had announced just hours earlier that all seven nations at the G-7 summit had signed on to the joint statement.

Trudeau's office responded to Trump on Saturday, saying the prime minister had been consistent with the U.S. leader. 

"The Prime Minister said nothing he hasn’t said before — both in public, and in private conversations with the President," the Prime Minister's Office said in a statement.