Bum Asks Costner For 'Swing Vote' Royalties

7/30/2008 5:38 PM PDT BY TMZ STAFF
Kevin Costner tried to go incognito through the streets of NYC, but as soon as one papper said his name out loud, he was surrounded faster than Britney at a Taco Bell.

Costner was also hit up for cash by a homeless guy -- and was about as generous as critics were to "Waterworld."