After Martha Stewart’s Halloween homeless costume disaster, I have to know: celebrities, why do you risk it? | Coco Khan

Cynics might say it’s about courting controversy, but I think these fancy dress faux-pas hint at a bleaker truthIt’s not easy being an optimist these days. It requires practice, like exercising a muscle. It’s why I like to think of reading the news as a kind of challenge, batting away the miserable updates with optimistic mental rebuttals. Global heating on…