Ernie Rea and guests discuss Christian and Muslim understandings of God, humans and evil.
Frank Gardner talks to former allies of Osama bin Laden who have turned against him.
In the 9/11 aftermath, Alistair Cooke reflects on Mayor Giuliani reaction to the attack.
Reactions to the terrorist attack on the World Trade Center on September 11th 2001.
Alistair Cooke reflects on the removal of the Twin Towers debris from Ground Zero.
Eliza Manningham-Buller reflects on 9/11 in the first of her Reith Lectures 2011.
Alistair Cooke reflects on how the September 11th attack has changed the American psyche.
An email from Al Qaeda deputy leader Ayman al-Zawahiri to the group's Yemeni branch.
Racial profiling at airports since 9/11 is an ethical dilemma for Alistair Cooke.
Alistair Cooke reflects on why the national anthem is more emotive since the 9/11 attack.
Former al-Qaeda member Aimen Dean talks about his eight years undercover as a British spy.
Alistair Cooke reflects on the outburst of flag hanging since the 9/11 attacks.
Born in the USA? Alistair Cooke reflects on Al-Qaeda's use of home grown terrorists.