Lisa Lampanelli offensive humor

Tonight, Comedy Central aired its roast of David Hasselhoff. And while roasts are known for offensive humor, Lisa Lampanelli may have gone a bit far, with jokes about the holocaust, blacks, Roger Ebert's cancer, Haiti, the oil spill, and more.

Here's Lampanelli's routine in full:

So, what say you? Sure, Lampanelli is known as the "Queen of Mean," but were many of her jokes—it seems the one about Ebert garnered the most negative reaction from the audience—really necessary? Or at all clever/funny, for that matter?