The Pentagon's report on 'don't ask, don't tell' suggests that the ban on openly gay members can be repealed safely. But significant resistance remains in some quarters, including the Marines.
Gates picks an admiral with diplomatic skills to command US troops in Europe.
His choice of Gates, Clinton, and Jones reflects his goal of building a bipartisan cabinet.
The move brings greater focus to the conflict in Afghanistan. Lt. Gen. Odierno is set to succeed Petraeus in Iraq.