Every day some new poll is published showing Democratic challenger Joe Biden with a big lead over President Trump. Some Trump supporters ignore the news because some of the polls were wrong in 2016. They shouldn't. The polls are real, and there is no doubt Trump is facing a serious challenge. But those polls don't tell the whole story. Recently we have seen a number of indicators to suggest not that the polls are completely wrong but that the race might change in its final 22 days.