Newsnight

Season 2011, Episode 111

Episode Title: 13/06/2011

Air Date: 2011-06-13

Overview:

Microsoft tycoon Bill Gates has pledged $1bn to help vaccinate children around the world against preventable diseases like pneumonia. He's hosting a summit in London where countries are being asked to give an extra £2.3bn ($3.7bn) by 2015 for child vaccines. We speak to Mr Gates about his plans and hear from those who disagree with his approach.