(David Paul Morris/Bloomberg News)If Donald Trump were leading Hillary Clinton by 20 points nationally, somewhere there would be a headline marveling at the close races underway in California or Vermont. [Obama’s soaring approval numbers are very good news for Clinton]The four states under consideration are New Hampshire, Nevada, Georgia and Arizona. In three of the four, Clinton or Trump leads by 1 point; in Georgia, Trump is up by 3. That's why they're battleground states: Clinton is overperforming in what have been solid red states in recent elections. They have a close race in Nevada and New Hampshire, which have been battleground states in recent elections —and in Georgia and Arizona, which haven't.

Source: Washington Post September 12, 2016 14:03 UTC