Kate Holbrook (Tina Fey) explains the rules to her surrogate, working girl Angie Ostrowiski (Amy Poehler), in “Baby Mama.” K.C. Bailey—Courtesy Universal Pictures Apr. 25, 2008 Facebook Twitter Reddit Print Kate Holbrook (Tina Fey) explains the rules to her surrogate, working girl Angie Ostrowiski (Amy Poehler), in “Baby Mama.” K.C. Bailey—Courtesy Universal Pictures