Because the poison pill was pathetic in the first place.
Maybe these guys have finally realized the poison pill was putting a discounted valuation on the stock for YEARS due to it's negative effect on a "takeover premium".
Maybe Harv' has finally realized it's going to cost hundreds of millions of dollars to build out his dream of a "fully integrated oncology company" and it might be (at his age...and possible health problem(?) (that's my speculation based on his non-appearance and Ed Fitzgerald's statement at the AM) easier and more rewarding to sell the company at $20/share in the future.
Why bother with a poison pill. Shareholders can decline a takeover if the number sucks.
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