Two Reuters journalists jailed for their reporting on the Rohingya crisis in Myanmar walked out of prison on Tuesday, freed in a presidential amnesty after a vigorous global campaign – and backroom diplomacy – for their release.Wa Lone and Kyaw Soe Oo were mobbed by media as they stepped out of Yangon's notorious Insein prison after more than 16 months in detention.Their December 2017 arrests made them an international cause celebre and a sign of Myanmar's deteriorating press freedo