Day

President Trump on the state of the economy and efforts to improve US trade deals.

Brian Sheehan, a Syracuse University professor of communication and advertising, said the weak forecast “made investors nervous about more basic long-term issues” with the huge social network, notably its diminished appeal to younger users.

Greek authorities said Thursday there were serious indications that a deadly wildfire that gutted a vacation resort near Athens was started deliberately, while experts warned that the devastated coastal town had been built like a “fire trap”, with poor safety...