Ron Brownstein detects a generational wipe-out:
Gallup cumulated all of its 123,000 interviews this year to examine party identification in the electorate. Among the Millennial generation, it found that just 21% identify as Republicans, compared to 36% as Democrats and 34% as independents... In the Gallup tracking polling that's been conducted since January, Obama's approval rating among voters younger than 30 has never fallen below 66%. His approval rating among young voters consistently runs somewhere between six and nine points higher than his overall showing: today, Obama receives positive approval ratings from a dizzying 75% of voters under 30, compared to 66% from the country overall.
He represents the country they live in. Rush Limbaugh doesn't.