I think Rush is wrong here.
If Obama does defend Hillary it is just to deflect his culpability and focus it on Hillary.
She is a Pawn.
Clinton testified that F&F was never cleared trough the State dept.
You can not export arms without going through the State Dept.
ITAR rules apply.
http://pmddtc.state.gov/regulations_laws/itar_official.html
There is bad blood here.