According to Reuters, the poll numbers for both Hillary Clinton and Donald Trump aren't completely accurate. This claim was made when they discovered a 17-point swing in favor of Donald Trump.
Could this be the “secret” Trump voters that liberals feared? Seeing how this is one of the most heated elections in history, many are refraining from admitting who they're voting for until poll day.
Why? Because nobody wants to offend anybody, which means that admitting your choice to friends and family that might not feel the same way, could put a few nails in the metaphorical coffins that are those relationships.
Read how Reuters found about their underreporting on the next page.