There were 6 of us left in a home game tournament the other night with the money going to the top 4. A short stack was all in and my friend was on a draw on the flop when he bet out a player with a mid-sized stack.

The short stack survived the all-in and the player with the mid-sized stack was upset (I think he folded middle pair). I don't blame him, it's hard to say what my friend was thinking. I'm pretty sure my friend was in the wrong here but when are there exceptions such that it is ok to bet with a short stack all-in?