Volkswagen on Thursday said it is upping the ante with the Golf in the U.S. by bringing a version of the Europe-market Golf R here in 2012. It will be the fastest Golf production model ever sold the U.S., VW said.The 2011 Subaru WRX STI starts at $34,720, including a $725 destination charge.The 2011 Golf GTI's 2.0-liter four-cylinder engine delivers 200 horsepower. Other details include an