He's rolling in dough  Steven Cook at the new Federal Donuts at
16th and Sansom streets in Center City. Steven Cook at the new
Federal Donuts at 16th and Sansom streets in Center City. (David
Maialetti/Staff photographer) Posted: November 13, 2012  Steven
Cook and other partners in the doughnuts-and-fried-chicken icon
Federal Donuts at 2nd Street below Federal, Pennsport, now have
a second outlet at 16th and Sansom streets, Center City. Last
week they opened a kosher eatery, Citron and Rose, on Montgomery
Avenue in Merion Station. Cook, a Wharton grad and ex-investment
banker, steps out of the kitchen to talk dough with us:  Q:
How'd you come up with the idea for Federal Donuts?  A: A couple
guys opened a coffee shop next to a restaurant we owned. They
said, "We want to do another coffee shop, but we want food.
Would you be interested?" Doughnuts was on the table first, and
we thought it would be cool and fun.  Q: What were the
challenges?  A: When you add doughnuts, labor is huge and you're
still selling thi