A production of Joe Orton’s wicked “Entertaining Mr. Sloane” closing this weekend seems to have found the perfect young schemer of the title role — Jack Cutmore-Scott, an unflappable and funny Brit in his senior year at Harvard.

You could have bought tickets early for tonight’s Naked Girls Reading (or another event at Oberon) if you feared the show would sell out. If it was about saving money, though, you needn’t have bothered. With service fees, advance tickets that seem to save 25 percent off the full price in reality save only 7.5 percent.

There are at least seven opportunities coming along to help recognize Martin Luther King Jr. Day in Cambridge, including a Cambridge Symphony Orchestra performance, choral selections, talks and a theatrical presentation.

Stephanie Skier holds a pipe end that will drop if something goes wrong during a July 23, 2009, waterboarding administered by co-actor Nadeem Mazen at the YMCA Theater in Cambridge's Central Square. (Photo: Zahra Syed) There are such powerful ideas …