Late Breaks: 'NYT' vs. 'VF,' Layoff Humor, more

-New York Times executive editor Bill Keller sent a sharply-worded letter to Vanity Fair defending his boss, Times publisher Arthur Sulzberger Jr. Keller says Mark Bowden's profile of Sulzberger was filled with "bombast," "recycled anecdotes" and "mistakes an elementary fact-checking should have caught." [Romenesko]

-Forbes staffers found the hilarious silver lining in their layoff nightmare yesterday, circulating an April Fool's Day memo from "Steve Forbes" announcing plans to sell one of his brothers to raise cash. [Recessionwire]

-Speaking of humor, Tribune Co. isn't letting a little bankruptcy get in the way of its quest for big-time laffs. It issued its own April Fool's Day memo about a technological breakthrough that will make the internet obsolete. (Warning: It's not funny.) [PRNewswire]

-Rachel Maddow has been steadily losing viewers. Has the novelty of seeing someone smart and normal hosting a prime-time cable news show worn off? [TVNewser]