Israel has been exercising drills that simulate `` dirty bomb '' attacks . Frida Ghitis : Many ordinary Israelis are worried about a nuclear attack from Iran . Obama said he `` will take every step available to prevent Iran '' from getting nuclear weapon . Ghitis : The Israeli government is concerned the U.S. president might not be able to stop an Iranian military strike on its own, and could instead have to rely on other countries like Russia or China for help.
Israel has been exercising drills that simulate `` dirty bomb '' attacks . Frida Ghitis : Many ordinary Israelis are worried about a nuclear attack from Iran . Obama said he `` will take every step available to prevent Iran '' from getting nuclear weapon . Ghitis : Israelis continue to prepare for possible scenarios just in case .