The latest news on Huffington, Arianna
Web newswoman Arianna Huffington chips in to support Comedy Central host's "Rally to Restore Sanity."
Others dropping by include Arianna Huffington, Whoopi Goldberg.
Her new book hits pols on left and right for "betraying the American dream."
Media outlets compete for Hollywood's best after annual White House Correspondents' Association Dinner.
The two media giants weigh in on the future of journalism.
The stars helped debut 14 Women, a movie about female senators.
Arianna Huffington's statement that John McCain did not vote for Bush in 2000 has kicked up a fuss
In her new book, Right Is Wrong, Arianna Huffington is critical of McCain and the Republican Party.
Arianna Huffington herself approved the publication of the "bitter" remarks.