Influence of immigration hardliner appears to be on the rise again
                                
                                
                                    (Newser) -
                                    The exodus of US security officials, including  Kirstjen Nielsen  and the  Secret Service chief , has put renewed attention on White House senior aide Stephen Miller. The 33-year-old is widely seen a big reason President Trump is moving to toughen his immigration and border policies, reports the  Hill . In fact, the...