Donald Trump’s mistakes are starting to hit home

Donald Trump’s presidential bid has thrived on controversy of his own making.

Now, the Republican nominee has kicked off the first full week of the general election campaign having put his strategy of saying the politically unimaginable to its greatest test yet.

Trump broke a major American political and societal taboo over the weekend when he engaged in an emotionally-charged feud with Khizr and Ghazala Khan, the bereaved parents of a decorated Muslim Army captain killed by a suicide bomber in Iraq.