Stern will step aside if Birkhead is Dannielynn's dad

Howard K. Stern has announced that he will not stand in the way of Larry Birkhead if the results of DNA tests to determine the paternity of Anna Nicole Smith's daughter reveal that Birkhead is the father. "Sources" issued a statement to TMZ that reads: "If Larry Birkhead is confirmed to be Dannielynn's biological father, Howard will not challenge custody. His love for her will not change,