Federal authorities say a Chicago man sent letters to 16 states that purported to be from Osama bin Laden, and that claimed that al-Qaeda had planted bombs around the country.
A suburban emergency response official says a conference she recently attended made it clear to her we all need to be better educated about possible nuclear radiation emergencies.
The Illinois governor expresses concern that his state’s nuclear power plants may need a greater degree of oversight, given the impact of a natural disaster on Japanese reactors.
Federal officials say flights from Japan have been screened as a precaution but no passengers have been contaminated.
A nuclear engineer at Argonne National Laboratory says even though there is a potential for more radioactive release in Japan – the United States is not at risk.