The former vice president grabbed headlines for his angry rant against companies that hire researchers -- whose caliber he questions -- to conduct studies that cast doubts on global-warming theories. 
The rant-prone rapper unleashed his latest diatribe at a music festival in England, stirring controversy when he compared himself to a murderous dictator. He's made news for his outbursts before. At the 2009 MTVVideo Music Awards, he crashed the stage while a country star accepted an award.He also took to his blog to rant about a popular social network.kanye west rant the big chill
This Oscar-winning hothead proved that you can squeeze plenty of vitriol into 140 characters in a Twitter tirade denouncing a common medical procedure as "barbaric and stupid."russell crowe circumcision
The "30 Rock" star issued a quick apology for homophobic comments he made during a stand-up show. Find out what two of his co-stars had to say about it.
Where, oh where, to begin? This famous bad boy unleashed a virtually nonstop stream of rants for weeks while his hit sitcom was put on hold. He had so much to say that he went on tour.
Mel Gibson has taken heat for racist and anti-Semitic rants, and was accused of making threats against his ex-girlfriend, who's the mother of his toddler daughter. Find out how his talent agency reacted.
This Broadway, big-screen and TV actress has unleashed showstopping tirades when she spots audience members breaking certain unwritten rules during live performances.
Christian Bale used a morning radio show to apologize for his profanity-laden tirade on the set of this movie.
Alec Baldwin was caught calling his then-11-year-old daughter an unflattering name in a voice-mail message. He later wrote about the incident in his book on divorce and custody battles.
Tyra Banks is usually known for being a sweet person but when she thought one contestant on "America's Next Top Model" wasn't taking the opportunity seriously, she lost it.
Former Arizona Cardinals Head Coach Dennis Green's angry rant was turned into a commercial when his players were beaten by this rival team.
Some blamed Howard Dean's infamous outburst at a campaign event for his failed 2004 presidential bid. 
Former U.S. Rep. Patrick Kennedy of Rhode Island yelled at the media for covering this congressional scandal more than the war in Afghanistan. 
Sure, it's fictional, but an iconic scene from the 1976 film "Network" won this actor a posthumous Oscar and is considered one of the best movie quotes of all time.
The legendary radio personality sure didn’t sound like his mild-mannered self when he went off on a foul-mouth rant about up-tempo music that played after his on-air dedication to a dog that had died. If only his mic hadn't recorded his tirade for all the world to hear.
Famous Celebrity Rants
Famous celebrity rants. When Al Gore lost his cool about global warming and the normally mild-mannered Jimmie Johnson lit into a rival race car driver, they joined a lengthy list of famous folks who've been recorded saying some infamously not-so-nice things.