When did Alec Baldwin get so nasty?

Mugshot of Mel Gibson taken on 28 July 2006. (Photo credit: Wikipedia)

Has he been hanging out with Mel Gibson?
http://www.newsmax.com/Newsfront/alec-baldwin-gay-slur-show/2013/11/15/id/536987?ns_mail_uid=63138517&ns_mail_job=1546396_11162013&promo_code=15A05-1
I remember when he was a terrific Jack Ryan in "The Hunt for Red October."  Then he started playing villains.  Maybe he got too deeply into those roles.  He certainly seems full of himself and arrogant.  By why so nasty?

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