By Gram Slattery, Andrew Mills, Federico Maccioni and Yousef Saba ABU DHABI (Reuters) - President Donald Trump on Thursday pledged to strengthen U.S. ties to the United Arab Emirates on a visit to the Gulf state that is expected to deepen cooperation on artificial intelligence.

I have absolutely no doubt that the relationship will only get bigger and better,” Trump said on Thursday at a meeting with UAE President Sheikh Mohamed bin Zayed Al Nahyan, on the final leg of his three-country tour of the Gulf region that saw him strike a series of lucrative tech,