After months of upheaval in the Middle East, last night was supposed to be one for the history books, with President Donald Trump and his aides in the weeds trying to finalize a deal with Iran, assisted by almost every other country in the region.
Then, just after 6 p.m. ET, the sound of dozens of gunshots shattered the relative calm of the North Lawn, sending Secret Service agents scrambling in all directions to secure the White House perimeter.