Plus, drivers worried about safety before fatal race
                                
                                
                                    (Newser) -
                                    Hours before he was  killed in a 15-car pileup , Indy 500 champion Dan Wheldon had signed a major, multiyear racing team deal. Wheldon had scored the spot Danica Patrick is vacating, behind the wheel of Andretti Autosport's car No. 7,  ESPN  reports. He had been part of the team'...