President Obama has authorized surveillance flights over Syria, a precursor to potential airstrikes there, but a mounting concern for the White House is how to target the Sunni extremists without helping President Bashar al-Assad. Defense officials said Monday evening that the Pentagon was sending in manned and unmanned reconnaissance flights over Syria, using a combination of aircraft, including drones and possibly U2 spy planes. Mr. Obama approved the flights over the weekend, a senior administration official said. The flights are a significant step toward direct American military action in Syria, an intervention that could alter the battlefield in the nation’s three-year civil war. Administration officials said the United States did not intend to notify the Assad government of the planned flights. Mr. Obama, who has repeatedly called for the ouster of Mr. Assad, is loath to be seen as aiding the Syrian government, even inadvertently. As a […]