If YouTube proved the natural home of anyone who happened to find himself in simultaneous possession of a camera phone, some Mentos, and a can of Diet Coke, then the not-yet-two-year-old LiveLeak.com is digging a foxhole for itself. It's become a meeting place for those who blow stuff up and those who like to watch it explode. Troops in the field in Iraq and Afghanistan are the most valued content providers on LiveLeak. The site's unsqueamish emphasis on raw video - it does have some rules, not that you would notice - makes it a destination spot for short...