Why these are the five (or six) states to watch on election night

If you know the winner(s) in Georgia, Michigan, North Carolina, Pennsylvania and Wisconsin, and perhaps Arizona, you’ll know who has gotten to 270 electoral votes.

​ If you know the winner(s) in Georgia, Michigan, North Carolina, Pennsylvania and Wisconsin, and perhaps Arizona, you’ll know who has gotten to 270 electoral votes. Read More Breaking News, Latest News and Videos | CNN