Alex Oliver from the Lowy Institute asks, Are embassies obsolete in the age of social media?

How will the bombings in Brussels affect the US presidential campaign? Obama's historic visit to Cuba and the pivotal confrontation between Obama and the Senate Republicans on his Supreme Court Nominee, Judge David Garland.

Canberra correspondent Laura Tingle talks election strategy and timing.

The arts led revival in post war Germany. In the ruins of the Reich, British, American and anti-Nazi German artists and writers were employed to reshape German culture after 20 years of Nazism. For most prisoners serving life terms, survival is often an achievement. So when somebody finds real redemption from a former life of crime it is notable. With the help of prison psychologist Joan Branton, Erwin James worked to overcome his life of crime and violence, becoming firstly a prison letter writer, then progressing to become a journalist for the Guardian newspaper reporting from within the prison walls. He was released in 2004 and continues his journalism and writing. He is a fellow of the Royal Society for the Encouragement of the Arts and is a trustee of the Prison Reform Trust.

What are the issues that are convincing the Britons that they should leave the EU? The referendum is looking very close and the possibility of the leave campaign winning is creating uncertainty for Britain and the EU.

Bruce Shapiro on Super Tuesday - will Bernie get the victory he's looking for?; Egypt five years after the Arab spring - and what happened to the 12,000 Syrian refugees we agreed to settle in Australia?

Last month, stories started emerging that the water in Flint, Michigan was polluted with dangerously high levels of lead. Now lead has been found in drinking water in more US towns. US environmental health expert David Rosner joins Phillip for an update.

Henry VIII was one king who went to extraordinary lengths to secure his lineage - a history well known the world over.  Just hours before he died, on 28th January 1547, his last will and testament had been read, stamped and sealed.  His will confirmed the line of succession as Edward, Mary and Elizabeth, and following them, the Grey and Suffolk Families.  However for centuries historians have disagreed over its intended meaning, its authenticity and validity.

The passing of Sir George Martin, the Fifth Beatle.

Shapiro's America. Iran's big election. 40 years of rationalism.