Sony's third-person shooter "SOCOM 3: US Navy SEALs" was the best-selling video game in the United States in October, market research firm The NPD Group said on Tuesday. Electronic Arts had the second and third most popular games with sports titles "NBA Live 06" and "Madden NFL 06." The top three sellers were all for play on Sony's PlayStation 2 console, according to NPD, which tracks sales of software and other retail products. The No. 4 title was Take-Two Interactive Software's urban action game "Grand Theft Auto: Liberty City Stories" for Sony's PlayStation Portable. Rounding out the top five was...