It's 'power politics' - Now boys be nice to each other......

Caption this pic.twitter.com/Xe1160vqgz

— Roland Scahill (@rolandscahill) June 9, 2018

I think Macron thought that Trump's hand was one of those stress balls.

Nice grip!! pic.twitter.com/otHHOZnMzC

— Brian Krassenstein (@krassenstein) June 9, 2018

You can read a good article analyzing the G7 meeting here