Charlie Munger on the WWII mental model that shaped his entire investing career:"When I was a meteorologist in World War Two, I just reversed the problem.I said suppose I wanted to kill a lot of pilots, what would be the easy way to do it?""I soon concluded the only easy way would be to get the planes into icing the planes couldn't handle or to get the pilot into a place where he'd run out of fuel before he could safely land.""It works better frequently to invert the problem.""Every great algebr