Inspired by the mostly alarming state of the world his children are growing up in, and a genuine, urgent desire to do something about it, this show is about empathy. 99 percent of the world's population is made up of other people: why can't we understand them? As scrawny and impassioned as ever, one of the UK's most beloved and thinnest acts offers some suggestions, with his usual notoriously high joke- and-rant-per-minute rate.