Mark Zuckerberg testifies in front of joint US Senate committee

Facebook's chief executive apologises for allowing firms to misuse personal data
At the UN, Russia vetoes bid by the US to set up an investigation into who was behind the Douma attack
One of Labour's six tests on Brexit is 'bollocks' -- according to front bencher Barry Gardiner
And what would you put in the mooted "Museum of Brexit" ?

(picture: Facebook CEO Mark Zuckerberg on Capitol Hill; credit - Alex Wong/Getty Images).