The article first published in on 07/06/2017.   Next week’s G-20 meeting in Hamburg promises to be more interesting than usual. The expected unhinged leftist crowds are already much in evidence and could be counted on for a dose of violence and turmoil. More seriously, this time the fireworks are more likely to come from inside the conference rooms than outside. In preparation for the event, the German chancellor Angela Merkel has already accused Trump of “Abshottung” (door closure or foreclosure) and promised to challenge him directly on a number of issues. Whether she already feels like the leader of the free world (as many pundits are trying to convince her that she actually is), or not is unclear, but she obviously has Trump in mind when she argues that “abshottung” from “climate