Boris Johnson says Assad must go if Syrians' suffering is to end

New foreign secretary takes stance ahead of international talks that differs from December column asserting UK could not 'be picky' about its allies Boris Johnson has said Bashar al-Assad cannot remain in power in Syria as he prepares for his first talks as the British foreign secretary on Tuesday with his US counterpart, John Kerry. Johnson, who had previously argued Assad could help defeat the Islamic State (Isis) in Syria, made the statement within days of being appointed the UK's top diploma...