ISTANBUL A US immigration judge has ordered Mahmoud Khalil, a former Columbia University graduate student, to be deported to Algeria or Syria, citing alleged omissions on his green card application, according to court documents filed Wednesday. Immigration Judge Jamee Comans denied Khalil’s request for a waiver to block his removal, stating that he “willfully misrepresented material fact(s) for the sole purpose of circumventing the immigration process and reducing the likelihood his