WASHINGTON/TAIPEI, July 28 (Reuters) - Taiwan's President Lai Ching-te is set to delay a diplomatically sensitive trip his team had floated to the Trump administration for August that would have included stops in the United States, according to three people familiar with the matter. Such a trip was bound to infuriate Beijing at a time when U.S. President Donald Trump is trying to negotiate a deal on trade with China. China claims democratically governed Taiwan as its own territory, a claim Taiwan rejects, and regularly denounces any shows of support for Taipei from Washington. The trip, which could have included...