GOP frontrunner Donald Trump said the top three functions of the United States government are security, healthcare, and education. During CNN’s town hall in Milwaukee, Wisconsin on Tuesday night, an audience member asked Trump, “What are the top three functions of the United States government?”“Security for our nation,” Trump responded. “I would also say healthcare… [and] education.”“The top three are security, security, security,” Trump stressed, saying America needs security “so we can continue to exist as a country.”“Thousands and thousands of people are infiltrating our country,” the real estate mogul explained. “We don’t know who they are.”On top of security,...