Tim Allen demands to use the n-word

The US actor sparks a fresh debate about racial jokes – and isn’t the only one. Meanwhile, could Ricky Gervais swing a record deal for David Brent? And Spotify launches a comedy app

Dial M for Murder – review

Hitchcock's sole foray into 3D gains nothing from the technology, but there are some classic, thrilling touches, writes Peter Bradshaw

We Steal Secrets: The Story of WikiLeaks

Although whistleblowers Julian Assange and Bradley Manning make a fascinating focus, Alex Gibney's documentary is a little too accepting, writes Peter Bradshaw