defense secretary robert gates on the 12th and visit to afghanistan as pentagon chief. he is about to meet with general petraeus commander of u.s. force in afghanistan. earlier he met with president hamid karzai and said only moderate troop reductions make sense this summer . many republicans courting the religious right today. the court attending the faith and freedom conference hear from businessman herman cain and a pretaped message from newt gingrich. forensic testimony taking center stage in a courtroom where 25 year old casey anthony is on trial for her life. the entire case could turn on a single strand of hair that was found in the truck of the car. it is consistent the fib feb f.b.i. agent said it was consistent with a dead person.