Philadelphia cabbie gets a $1,000 tip

PHILADELPHIA -- An anonymous passenger brightened a cab driver's night with a tip of nearly $1,000 on a $4.31 fare. Oumar Maiga's bosses revealed the gratuity Wednesday after making sure the credit card cleared. The West African immigrant received the $989.98 tip Dec. 13. Maiga told his client his shift had been a bit hectic. The passenger said he'd make it a great night and punched in the tip. Maiga asked whether he'd made a mistake. The passenger replied, "I know what I did."...