It looked like the axles broke on Obama's car

attitudedesignz, May 24, 7:20pm
It did get stuck.
vtecintegra, May 24, 9:06pm
It has air suspension which collapsed.

There is some speculation over whether its is a self defense mechanism that triggered or just a malfunction.
daz59, May 25, 12:55am
See how thick the doors were. must be pretty heavy
sir-ben, May 25, 1:09am
i thought the road would give way before any part of that.thing.

http://en.wikipedia.org/wiki/Presidential_state_car_(United_States)
rlr29, May 25, 5:19am
"Ooookay, Mr.President, everybody out and push"
vag.central, Apr 2, 8:59am
Over 8t