In a surprise announcement, the Defense Department disclosed Thursday that U.S. officials have doubled the number of American troops in Syria to support the fight ISIS, an increase that predates the fall of Bashar al-Assad’s regime this month. 

The Pentagon press secretary, Maj. Gen. Pat Ryder, said at the Pentagon briefing that the U.S. has roughly 2,000 troops deployed in Syria, even though the U.S. military and U.S. Central Command have consistently reported having only 900 troops…