Hamilton beats title rival Rosberg to pole

By Alan Baldwin AUSTIN, Texas (Reuters) - Triple Formula One world champion Lewis Hamilton won a qualifying battle with Mercedes team mate and title rival Nico Rosberg on Saturday to secure pole position for the U.S. Grand Prix. Hamilton, 33 points behind the German with four rounds remaining, has won three of the past four races in Austin but had never before managed to seize top slot on the starting grid in Texas. The Briton's fastest lap of one minute 34.999 seconds was 0.216 quicker than Ros