Weird. And awful. According to a press release sent by Letterman’s PR reps, the host first received a package three weeks ago from someone who claimed to have information about alleged sexual relations he has had with female employees of the “Late Show.”… “This morning, I did something I’ve never done in my life,” Letterman said on Thursday’s edition of CBS’ “Late Show.” “I had to go downtown and testify before a grand jury.” As part of the testimony, Letterman admitted that he had engaged in sexual relationships with staff members. “My response to that is, yes I have. Would...