RTFA: http://news.yahoo.com/s/ap/20070924/ap_on_sp_bo_ne…

MESA, Ariz. – Former heavyweight champion Mike Tyson pleaded guilty Monday to charges of drug possession and driving under the influence stemming from a traffic stop last year as he was leaving a nightclub.
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Tyson quietly acknowledged to a judge that he had cocaine and was impaired when he was stopped for driving erratically in Scottsdale on Dec. 29.