JedL makes some great points in debunking the emerging meme (from John Meacham, Charles Krauthammer, et. al.) that America is a center-right nation:

Democrats have won the popular vote in 4 of the last 5 presidential elections.

Democrats have won the presidency in 3 of the last 5 presidential elections.

Democrats have increased their popular vote total in 7 of the last 7 presidential elections (see the chart below), while Republicans have done so in just 3 elections, staying flat once, and dropping 3 times.

But a picture is always worth a thousand words and this graphic knocked me out (click to see larger version):