NEW DELHI: US Undersecretary of State R Nicolas Burns has called Iran “a threat to world peace” and vowed to “teach it a lesson”. He said this in a press conference following talks with Indian Foreign Secretary Shyam Saran on Friday. Iran has “crossed so many international red lines, that it has to know that will be a penalty to be paid,” he said. The two countries, however, held divergent positions on Iran. While Burns said that Iran should be referred to the UN Security Council, Saran maintained that New Delhi would prefer the matter resolved within the purview of...