2016 hopeful says he 'would hold' deportation, but cautioned about vetting
Carter calls change a matter of 'principle,' announces year-long implementation plan
'A reminder of the work we still have to accomplish for full equality'
But advocates differ on whether new initiatives represent change
Utah guardsman objected high-profile 2012 ceremony at West Point
Top brass to meet on lifting prohibition based on gender identity
GOP hopeful said ability to serve 'would depend on the role'
Some disappointed in Carter's remarks at event
A member of the military academy's first class to graduate women wed her partner of 16 years in a historic ceremony in the Cadet's Chapel
Event marks first such celebration since 'Don't Ask' repeal
