Attacking his own party over this issue is going to make an ex-Prime Minister sooner or later.
One was the promise to repeal the Human Rights Act (the socialist legislation under which criminals, terrorists, illegal immigrants and welfare parasites have full rights, while ordinary hard working native-born Britons have only the right to pay for them).
And it was revealed two weeks ago that he will not be asking the European Union for treaty changes, even though every power he claimed he would "repatriate" requires just such a treaty change.