By itself, the risk of massive cross-border refugee movements should have prompted intense U.S.-Chinese consultations about the inevitable succession crisis.

WSJ: John Bolton: 'The Great Successor'

The BBC's Will Grant in Mexico says that the apparently mutual decision to split with the traditional left suggests Mr Lopez Obrador does not have wide support for continuing a long-term fight against the inevitable succession of Mr Pena Nieto to the presidency.

BBC: Latin America & Caribbean

Still, inevitable gossip has been fanned about succession in this communist dynasty.

ECONOMIST: The state the North Korean regime is in