finally tonight, a restaurant with immigrant roots paying it forward and inspiring america. here s kevin tibbles reporter: serving up a heaping helping of good old compassion and the flavors of a far away home. philadelphia s general tsao s may be a chinese takeaway, but these days there is something extra cooking, authentic afghan dishes prepared by afghan chefs to feed the city s growing afghan refugee population. 20 years ago, owner dan chow came to america. tsao and his business partner also run a small catering business that supplies local resettlement agencies, providing some 300 afghan refugees two