'Christie Creme' donuts turned up the heat in gov's office, Bridgegate testimony reveals

NEWARK -- It was an internal fight between office rivals that went down to a box of Christie Creme donuts. Christina Renna -- a subordinate of Bridget Anne Kelly, who is now on trial in the Bridgegate scandal -- testified Friday about her increasingly troubled relationship with her boss and a pact with a co-worker to…