For more than a hundred years, Vigo County, Indiana has consistently voted for the winning president. It chose Barack Obama twice, and then picked Donald Trump this November. In fact, the county is a remarkably accurate bellwether; it's only been wrong two times since the 1890s.
Why does Vigo County almost always predict the winner?
There are many hypotheses, none of which fully explain this quirky mystery of why a small region in southwest Indiana (a reliably Republican state) routinely jumps from Democrat to Republican in presidential years.