(Portland, OR)  --  A downtown food cart owner is facing charges after allegedly calling a customer a racial slur and then throwing a Gatorade bottle at her.  Police arrested Small Pharoah's halal cart owner Islam R. Elmasry on Southwest 5th Street yesterday.  Customer Carlotta Washington recorded part of the incident on video.  Washington says Elmasry called her the "n-word" after she tried to pay in change and then threw a Gatorade bottle at her head before spraying her in the eyes and face with sriracha.  He's facing charges of harassment and assault.