What Bill Frist is up to?

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According to here:
http://news.yahoo.com/s/ap/20060328..._Y1Quk0A;_ylu=X3oDMTBiMW04NW9mBHNlYwMlJVRPUCU

"Majority Leader Bill Frist, R-Tenn. had originally said debate on the issue would begin Tuesday, but an aide said those plans had changed."

What is he up to?