TEHRAN, Iran - Iran indicated Sunday it could harden its position against the U.N. nuclear agency, a day after freezing international inspections to protest a critical resolution by the watchdog agency. On Saturday, Tehran said it was indefinitely barring inspectors of the International Atomic Energy Agency, hours after its 35-nation governing board adopted a resolution that said it "deplores" recent discoveries of uranium enrichment equipment and other suspicious activities that Iran had failed to reveal. Foreign Ministry spokesman Hamid Reza Asefi said Sunday the resolution's tone "was unfair and insulting. We don't allow anybody to talk to us in such...