Carrie Ruiz of Humble is praying that President Obama and his promised commitment to foreign diplomacy will help bring her daughter's killer to justice.Nine years ago, Ruiz's teenaged daughter, Felicia, was stabbed to death 26 times in an open field. Two of the three attackers are now behind bars, but the mastermind, Jesus Salazar, fled to his home country of Venezuela, where he has taken refuge. For the past eight years, Ruiz had been fighting former Harris County District Attorney Chuck Rosent