Iranians wait to cross a street in central Tehran on February 19, 2012. UN nuclear watchdog officials arrived in Tehran on Monday for discreet talks on Iran's suspect atomic activities, amid a ... more 

Iranians wait to cross a street in central Tehran on February 19, 2012. UN nuclear watchdog officials arrived in Tehran on Monday for discreet talks on Iran's suspect atomic activities, amid a worsening international showdown that has sent tensions and oil prices soaring less