[KTrain]

http://www.examiner.com/article/bill...ghostbusters-3

Murray was reportedly disenchanted with a version of a prospective script he was given last year, even going so far as to shred it and send it to co-star Harold Ramis. No note required.

But, after reading the latest draft, co-written by Paul Horner and Etan Cohen, Ramis revealed that "Just out of nowhere, I get a phone call from Bill at almost three in the morning on Thursday and he simply said, 'Yeah, ok, I’m in.' That’s Bill Murray for you. Surprising and straight to the point."