It's said that someone as retarded as Parez Hilton has some media power, and his idle showbiz gossip is taken seriously.
I can understand why Janet would appear on Jay Leno (I have a video of Janet kissing him on the lips on his tv show, YUK!!!), David Letterman and Oprah Winfrey's (she's very ugly without her heavy makeup) television shows, because they are longstanding high profile.
Janet does do too many interviews with people who've said really nasty things about Michael. It's highly unlikely Janet doesn't know what chat show hosts like Leno, Letterman, Oprah and Parez have said about Michael. I think at least with Leno and Letterman whom Janet seems to get in very well with, she should politely put them in line about they horrible jokes they've said about Michael. The Bees Gees and Diana Ross have put chat show hosts in there place when making jokes about Michael, and there not even his family, and Janet should do the same.