Fifteen countries from Asia Pacific this week signed the world's biggest trade deal, led by ASEAN but crucially including China. Hear expert analysis from journalists who have covered this every step of the way. Does RCEP represent a lost opportunity for the US and a strategic win for China? Will China's regional sparring partners be able to ratify it? Finbarr Bermingham is joined by Bhavan Jaipragas, Zhou Xin and John Carter to get the details. We've also rifled through Barack Obama's new book…