“On Tuesday, Patti LuPone sent a note to Dave Itzkoff taking him to task for his coverage of her decision to stop a concert in Las Vegas to berate an audience member for using an electronic device. The post received an overwhelming number of readers’ comments (over 760 as of this writing). Theater coverage on NYTimes.com hasn’t been this animated since we posted a slide show of a shirtless Daniel Radcliffe in the London production of Equus.”