Two leading ALP Left faction MPs have added their voices to a chorus of dissent rejecting the prime minister's official line on WikiLeaks, telling Crikey this morning that renegade publisher Julian Assange should be backed to the hilt on freedom of speech grounds.

Feisty Labor Senator Doug Cameron, who has previously bemoaned the lack of debate inside the federal caucus, called this morning for Assange to "be offered full consular support".