Donald Trump on Wednesday refused to directly answer a question during his Fox News Iowa town hall. Trump, who has had his ups and downs with the conservative network in the past, appeared on Fox News and was asked about a “warning” he has given about the threat of political violence. “In recent days, you seem to issue a warning that if they didn’t treat you fairly, maybe there would be bedlam in the country,” one of the moderators said to Trump before playing video of Joe Biden saying Trump refuses to condemn political violence. Trump was then asked if he would do so. POLL: Should Trump be al…