Another week, another milestone on the road to Brexit. This week features three such markers: a speech by Labour leader Jeremy Corbyn that has caused a fresh headaches for Prime Minister Theresa May, a speech from May herself (to come on Friday) and the release of a crucial document by the EU. London Editor Denis Staunton reports.

In part two we turn to the United States and the push for gun control in the wake of the latest mass school shooting.

Since the shooting in a Florida high school that left 17 dead, President Donald Trump has repeatedly called for armed schoolteachers as a solution to this peculiarly American problem.

But voices calling for stricter controls on gun ownership are growing louder. After Sandy Hook, Orlando, Las Vegas and too many other shootings to mention, could Republicans finally be willing to cede ground on the issue? Suzanne Lynch is on the line from Washington.