The National Security Agency (NSA) in a statement Tuesday denied allegations made by Fox News host Tucker Carlson that the agency is spying on him “in an attempt to take this show off the air.” “Tucker Carlson has never been an intelligence target of the Agency and the NSA has never had any plans to try to take his program off the air,” the NSA, which conducts surveillance on foreign targets, said in a statement on Twitter. “NSA has a foreign intelligence mission. We target foreign powers to generate insights on foreign activities that could harm the United States,” the agency added. “With limited exceptions (e.g. an emergency), NSA may not target a US citizen without a court order that explicitly authorizes the targeting.” The NSA’s statement comes after Carlson, who hosts “Tucker Carlson Tonight,” one of the most popular shows on cable television, on Monday accused the agency of having monitored …