DUBAI, United Arab Emirates (AP) — Kuwait said on Tuesday that Iran launched a failed attack earlier this month on an island where China is helping build a port in the Gulf Arab country. The accusation came just hours before U.S. President Donald Trump was to depart for Beijing on a high-stakes visit over the Iran war and other issues. Trump said he would have a “long talk” about Iran with Chinese President Xi Jinping but said trade would be a bigger focus. As he left for the summit, Trump again threatened Iran if its leaders don’t reach an agreement on its nuclear program. “We have Iran very much under control,” Trump said. “We’re either going to make a deal or they’re going to be decimated. One way or the other, we win.” Iranian state media quoted the country’s foreign ministry as calling “baseless” the allegation by Kuwait, which came under attack by Iran in the war and during the shaky ceasefire that is still holding.…