3) No and most of the units were delayed the most famous case was the 4 ID but clearly the 101st also.
4) Garner was "Rumsfeld's" man .... he and Bremer reported to Rumsfeld. The military should have ran the occupation of Iraq and no it wasn't the President's decision. Rumor has it Garner asked for more troops.
5) As opposed to letting the military run an occupation.
6) General Abazaid publicly corrected Rumsfeld ... maybe you should read the papers.
7) Concur
8) Per Rumsfeld ... normal retirement and rotation.