It makes sense, as you'd need a conviction to say he committed treason. Saying he allegedly committed treasonous acts is a whole nother thing.
The ad does not say that he committed treason.
These are links for the new SwiftVet ad.
Windows Media: http://swift3.he.net/~swift3/friends.wmv
QuickTime: http://swift3.he.net/~swift3/friends.mov
RealMedia: http://swift3.he.net/~swift3/friends.rm
MPEG Version: http://swift3.he.net/~swift3/friends.mpg