Principles jettisoned, is former Trump foe Marco Rubio playing the long game?

The secretary of state - a neoconservative foreign policy hawk turned America First cheerleader - has defied expectations that he would not last in Trump's cabinet

The exchange seemed to crystallize a master-servant relationship in a single instant.

Early in January, in a White House gathering with oil executives invited to discuss investment in Venezuela after the US overthrow of Nicolas Maduro, its strongman president, Macro Rubio discreetly passed a note to Donald Trump.