cook still has the full support of his coach , team-mates and selectors and is unbeaten in four tests .
the opinions of ecb chairman-elect colin graves , new chief executive tom harrison and the man they eventually make director of cricket matter far more than what anyone in the caribbean thinks .
the three half-centuries cook made in his last four test innings of last summer count for little now as his battle to prove he remains the best man for the job nears crunch time .