TAIPEI (REUTERS) - The United States sent two warships through the Taiwan Strait on Thursday (Jan 24) in the first such operation this year, the Taiwanese government said, as it increases the frequency of transits through the strategic waterway amid tensions with China. The voyage risks further heightening tensions with China, which considers Taiwan its own and has not ruled out the use of force to bring the self-ruled island under its control. Taiwan's defence ministry said in a statement late on Thursday the ships were moving in a northerly direction and that their voyage was in accordance with regulations....