Eric S., (right) 8, assists his brother Ethan, 6, both of Miami, Florida in a Fossil Fighters video game tournament at the La Brea Tar Pits Thursday, August 6, 2009 in Los Angeles. Fossil Fighters for the Nintendo DS and Nintendo DSi portable video game systems launches on August 10, 2009. (Photo by Nintendo, Bob Riha, Jr.) Sebastian M., 12,...