Citing intelligence from the U.S., Israel and other countries, the IAEA said new information "raises concerns." France and Germany have threatened new sanctions against Iran. In recent months, Iran has been strongly criticized for a growing dissent crackdown. For more on where Iran is headed, Daljit Dhaliwal interviews Karim Sadjadpour.

Iran is trying to tackle a rising drug problem, as opium continues to pour into the country from neighboring Afghanistan. Al Jazeera English's Alireza Ronaghi reports that Iranian police have seized over 400 tons of drugs and have lost dozens of police officers in the battle to eliminate drug abuse in Tehran. But some Iranian officials say their efforts are pointless.

An assassination in Tehran has raised questions about who was responsible. The victim was nuclear physics professor Masoud Ali Mohammadi. An Iranian prosecutor claimed the C.I.A. and Mossad probably had a hand in the killing. For more about covert efforts to undermine Iran's nuclear program, Daljit Dhaliwal speaks to Flynt Leverett.

Large-scale political violence has returned to the streets of Tehran, but foreign media have been banned by the Iranian government from covering the protests. Post-election protests are now in their sixth month, and demonstrators are now frequently attacking Basiji security forces. For more on the situation in Iran, Martin Savidge interviews Ervand Abrahamian.

In Iran, protests erupted again this week as the U.S. deadline for imposing sanctions looms. Carol Giacomo, a member of The New York Times editorial board, and Irshad Manji, a professor at New York University and the author of "The Trouble With Islam Today," join Daljit Dhaliwal to discuss the mounting pressures on Iran, both internal and external.