Lead: At the Democratic Convention of 1964, Lyndon Johnson was overwhelmingly nominated for President, but those brief days in August confirmed a tectonic shift taking place in American politics.

Intro.: A Moment in Time with Dan Roberts.Content: When the Democrats assembled in the decaying resort of Atlantic City in the late summer, the outcome was never in doubt. President Johnson would be the nominee. The party was still reeling from the assassination shock of the previous year and would go on to crush the Republicans in an electoral tsunami that would sweep away the conservative challenger Barry Goldwater and dozens of GOP congressmen and Senators. Yet, the events of that August week would seal the fate of the Democrats and make possible the Republican revolution that transformed national politics three decades later.