Phone calls are not President Trump’s best tool for international charm offensives. He hung up on Australia’s prime minister a year ago, nearly changed U.S. policy toward Taiwan and China in another conversation when he was president-elect, and, this week, further offended Mexico’s President Enrique Peña Nieto.

The end result of the Feb. 20 call is that Peña Nieto canceled, for a second time, a planned White House visit. It may also have locked in a win for a far-left presidential candidate in the July 1 Mexican national election — an election in which the Russians are working overtime to actively disrupt and influence.

In this photo taken Jan. 28, 2017, President Donald Trump speaks on the phone with Australian Prime Minister Malcolm Turnbull in the Oval Office of the White House in Washington. Transcripts of President Donald Trump’s conversations with the leaders… — In this photo taken Jan. 28, 2017, President Donald Trump speaks on the phone with Australian Prime Minister Malcolm Turnbull in the Oval Office of the White House in Washington. Transcripts of President Donald Trump’s conversations with the leaders of Mexico and Australia in January offer new details on how the president parried with the leaders over the politics of the border wall and refugee policy, with random asides on subjects including drug abuse in New Hampshire. Alex Brandon AP

The president’s poor phone etiquette further jeopardizes the already slow progress in the NAFTA renegotiation, adds a new strain to diplomatic relations with a border neighbor, hinders cooperation in combating drug trafficking and makes immigration issues even touchier. And with every notching up of tension with Mexico, the Trump border wall becomes an even harder sell in the nation he insists must underwrite it. READ MORE