"The U.S. already flunked the test and that should be a wakeup call," a former senior U.S. State Department official told Newsweek.

SISAKET, Thailand/WASHINGTON, July 26 (Reuters) - U.S. President Donald Trump said on Saturday that the leaders of Cambodia and Thailand had agreed to meet immediately to quickly work out a ceasefire, as he sought to broker peace after three days of fighting along their border.

The tank screeches as it rolls into the ad-hoc military base before four battle-weary soldiers jump out to re-inspect the hefty vehicle.