Amid indications that the administration of U.S. President Donald Trump may be ready to walk away from a 2015 deal aimed at curbing Iran's nuclear activities, a senior Iranian official says that Tehran is "fully prepared" for that eventuality, but he warned that its collapse could jeopardize regional stability."It's up to the U.S. government and Mr. Trump. If he feels that the Middle East will be a better place without (the nuclear deal), then he can try it," Deputy Foreign Minister Abbas Araghchi, Iran's chief nuclear negotiator, told Kyodo News in an interview Wednesday in Vienna.Speaking…READ FULL ARTICLE