Trump skirts 'Great Firewall' to tweet about Beijing trip
Twitter and Facebook are both forbidden in China.
U.S. President Donald Trump reacts as he meets with Lebanese Prime Minister Saad al-Hariri (not pictured) in the Oval Office of the White House in Washington, U.S., July 25, 2017. (photo credit: REUTERS/CARLOS BARRIA)ByREUTERSUpdated: