7. Vox advises against trusting any state-level polling on President Trump that doesn't weigh the education of respondents. The outlet argued that polls failing to consider educational attainment will likely show Trump underperforming. Many surveys from the 2016 election didn't accurately reflect the president's strength among white voters without college degrees, which is in part why Trump's victories in states like Wisconsin, Michigan, and Pennsylvania surprised most pundits. -- VOX