AUGUST 25--Sure, getting arrested mid-meal can ruin a guy's night, but Bobby Brown really doesn't have a right to look so pissed. The oft-troubled singer was nabbed Friday night at a restaurant in Alpharetta, Georgia for an alleged probation violation (Brown was dining with wife Whitney Houston). Seems that the 34-year-old singer, who is being held in the DeKalb County Jail, never bothered to complete a substance abuse program, perform community service, or submit to random drug testing as required by the terms of a sentence imposed following a driving under the influence conviction. (1 page)