Senator has foreign policy chops, Catholic cred, stump skills
                                
                                
                                    (Newser) -
                                    Joe Biden, the Delaware senator who sputtered out of the primaries in Iowa, may be the ideal VP for Barack Obama, writes Walter Shapiro in Slate. The 65-year-old chairman of the Foreign Relations Committee has international policy cred, a son heading to Iraq, a pull with Catholic voters, a "...