The Department of Homeland Security on Wednesday said it immediately will begin screening visa applicants' social media for "antisemitic activity" and deny violators. File Photo by Wael Hamzeh/EPA-EFE April 9 (UPI) -- The Department of Homeland Security on Wednesday said it immediately will begin screening visa applicants' social media for "antisemitic activity" and will deny violators. The U.S. Citizenship and Immigration Services will begin considering antisemitic activity "and the physical harassment of Jewish individuals as grounds for denying immigration benefit requests," according to a news release. Immediately, this policy will affect those applying for permanent resident "green cards, and student...