WTO head says won't take Trump pullout bait

The head of the World Trade Organization said on Wednesday he would not get involved in a slanging match with Donald Trump after the US presidential candidate suggested withdrawing from the WTO. Trump, having earlier threatened to renegotiate or rip up the North American Free Trade Agreement, told NBC on Sunday that if he takes the White House he might "renegotiate or pull out" of trade deals if the WTO challenges his policies. Republican Trump added that "These trade deals are a disaster ... (t