Campaign signs are seen before a rally for Republican US Presidential hopeful Donald Trump in Charleston, West Virginia on May 5, 2016. It's the paradox of the 2016 US presidential elections: Hillary Clinton and Donald Trump are virtually assured of facing off against each other in November, and yet both are widely unpopular. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
