This handshake is one of several Trump has exchanged since he was inaugurated that has gone viral or been scrutinized. In addition to the incident with Merkel, French President Emmanuel Macron's knuckles famously turned white after he shook Trump's hand at the G-7 meeting, which he later characterized as a "moment of truth." The President's handshakes with Canadian Prime Minister Justin Trudeau and Japanese Prime Shinzo Abe were also the subject of thorough handshake analyses on the internet. Watch:
Watch Poland’s first lady reject President Trump’s first attempt at a handshake https://t.co/RAI375rF6F pic.twitter.com/ElY0UCamsC— TIME (@TIME) July 6, 2017
Full transcript of US President Donald Trump's speech in Poland today.