Congress has said, any person who raises questions, is termed as an anti national these days.<br/><br/>Briefing media in New Delhi this evening, party spokesperson Kapil Sibal said, there is a difference between freedom of expression and national security. <br/><br/>He was referring to the recent ban on NDTV India, which was later put on hold. Mr Sibal said, terrorists entering the nation are the real threats. <br/><br/>He sought to know who was responsible for the lapses in Pathankot and Uri, saying it is the government's responsibility to find out how these terrorists entered the nation.