"Trent Moorehead"
In my limited experience, I've found that if you can't get the plane
pointed
down the runway on final and you're applying full rudder, you can't land
the
plane on that runway. Or shouldn't at least. I've had this happen only
once
so far and it was a real eye opener. Up to that point, I had always
wondered
if I would be able to tell when a crosswind was too much for the plane,
since I had never experienced it. I was relieved to find that it's a real
no-brainer and doesn't require tons of judgement.

Agreed. After initial training, I've never considered kicking the crab out
an acceptable way to land if you can't maintain alignment in a slip. Time
to do something else (which Jay did).

The one time I ran out of rudder while slipping was Key West. There really
aren't any suitable xwind taxi way options or anything else to land on.
Turned out that within 10 feet or so of the ground, the wind gradient
reduced the xwind enough so that full rudder allowed me to keep it straight.
I was ready to abort and return to Miami. But taxiing the 'ol butt dragger
was another matter.

Good stuff as always Jay!