William Langewiesche, a writer and pilot, once told me that flying a plane was “90 percent boredom, 10 percent terror.” I might say the same for the “Make it great like ’68! Shut down the [Democratic National Convention] for Gaza!” protest that took place in front of the Israeli consulate in downtown Chicago on Tuesday night. The event was organized by Behind Enemy Lines, and as might be expected from a group whose tagline is “The empire is the enemy. From the belly of the beast, we choose to resist it,” participants arrived carrying resistance-ready banners, flags, and bullhorns. They arrived…