Quote:The 2016 presidential campaign has in many ways become a question of character. Even though Hillary Clinton and Donald Trump both have incredibly loyal supporters, the two candidates also inspire some intensely negative feelings among voters. Clinton and Trump are the two most unpopular candidates since modern polling began.

NPR's Rachel Martin hosts an hourlong special that digs into key moments over the decades that helped cement their reputations and looks at character traits that have turned into liabilities with voters. For Clinton, it's the way she seems to protect her privacy at all costs. For Trump, it's how he seems to crave public attention and says almost anything to get it.