Former President Donald Trump Thursday called the most populous metropolis of a key swing state hosting the Republican Nation Convention next month a “horrible city,” according to a new report. Trump insulted Milwaukee to House and Senate Republicans who gathered for a policy discussion on Capitol Hill Thursday, the first of such meetings since January, 2021, Punchbowl News’ Jake Sherman reports. “Milwaukee, where we are having our convention, is a horrible city,” Trump reportedly told Republicans. Want more breaking political news? Click for the latest headlines at Raw Story. “Great strategy …