By Stephen Brown Berlin (Reuters) - The German government offered clear support on Friday for U.S.-led air strikes against Islamic State militants' bases inside Syria, with an aide to Chancellor Angela Merkel pointing out that Damascus had **t made any protest. Germany looks unlikely so far to join in the attacks by U.S. and Arab forces against IS militants in **rthern and eastern Syria, though it has **w sent *******, military trainers and equipment to Kurdish forces fighting Islamic State in Iraq. ...