MIAMI: Donald Trump refused at a Republican debate in Miami on Thursday to back off his assertion that "Islam hates us", saying amending his words would be surrendering to political correctness. At a two-hour, televised melee that was striking mostly for its relative civility, the four remaining rivals - also on stage were Senator Ted Cruz of Texas and Ohio Governor John Kasich - highlighted their differences and their areas of agreement on topics ranging from normalising relations with Cuba and climate change, both hot topics in Florida, to immigration and trade. But the static returned with Mr Trump continuing to suggest that Islam as a whole has pitted itself against the US. "I am not...