How Trump's Middle East trip may have alienated a key counterterror ally

President Trump said Thursday that his first trip overseas has given him “renewed hope that nations of many faiths can unite to defeat terrorism, a common threat to all of humanity.” But his time in the Middle East may have done more to deepen one of the region's main religious divides and alienate a key ally in that fight, experts told ABC News.

The president chose Saudi Arabia for the first stop on his first overseas trip as president and praised King Salman for his stance against extremism -- particularly with respect to Iran. But a weekend spent blasting Iran -- a predominantly Shiite country -- from the halls of its longtime Sunni adversary could risk alienating America’s most important ally in the fight against ISIS: Iraq, Middle East experts said.

Read the full article at ABC News.