I love how the nuns and the mom with the baby carriage just ignore him. They make absolutely no attempt whatsoever to get out of the way of the bomb. You'd think if they were walking up to a crazy man dressed in tights and a cape who was carrying a cartoon-style bomb with a lit fuse that their first instinct would be to run for cover.
"Sorry Batman, I'm taking my baby for a stroll here. Get outta my way."
Also, in both shots, people in the background are scrambling for safety.
Not a clue. I guess he was drunk because he tried to run back across the car instead of simply to the other side of the road. Well I hope he was drunk and not just a really big idiot, which may also be the case.