Mississippi now only state not complying with Hagel edict
Pentagon chief makes announcement at Anti-Defamation League meeting
Hagel memo delivers benefits in wake of court decision against DOMA
Jarrett to appear alongside defense secretary to honor gay service members
Phillip McKee suffered injuries, illness after terrorist attack
Measure puts burden on Pentagon to prove harassment causes 'actual harm'
Move would be a first for sitting defense secretary
Panetta sets goal for implementation of Aug. 31
Panetta expected to announce changes this week
President aware of the need 'to ensure that proper benefits are provided'
