President Donald Trump’s administration has been taking a harder line with the United Nations over its desire to extend and strengthen the embargo on Iran.(REUTERS) COURTESY BY: https://www.hindustantimes.com/ Iran dismissed as “illegitimate” efforts by the United States to extend the U.N. Security Council arms embargo on Tehran, an Iranian Foreign Ministry spokesman said on Monday. “Iran is not seeking to exit the 2015 nuclear deal with six powers … America’s move is illegitimate and our reaction will be proportionate,” Abbas Mousavi said in a televised weekly news conference. The United…