As Donald Trump returns to the White House, he has built the most formidable foundation of Republican electoral strength since the Ronald Reagan era in the 1980s. CNN values your feedback 1.

CNN's 1980 election night coverage shows the US map turned almost entirely blue, as Republican Ronald Reagan swept to victory ...

The idea that Republicans are red and Democrats are blue may, today, feel embedded in the symbolism, branding and vernacular — think “blue” states and “red” states — of US politics.

As such, some of the earliest electoral maps, like Scribner’s 1883 Statistical ... past (I still remember the solid blue field of Ronald Reagan’s re-election in my hometown newspaper in ...