Russia's Foreign Ministry has begun evacuating the families of diplomats from Venezuela, a European intelligence official told AP on Monday, as the United States pursues its third sanctioned oil tanker in the Caribbean and President Donald Trump convenes senior national security officials at his Mar-a-Lago resort. The evacuations, which started Friday and include women and children, come as Russian officials assess the situation in Venezuela in what the intelligence source described as "very grim tones." The withdrawals signal heightened concerns about stability in the South American nation as the Trump administration escalates its four-month pressure campaign against President Nicolas Maduro's...