But it’s not just that the Tea Party has been instrumental in helping Senate Democrats hold the majority necessary to protect the Affordable Care Act. It was the primary challenge against the late Sen. Arlen Specter that pushed the Pennsylvanian to switch parties, thus providing Democrats with the crucial 60th vote needed to break the Republican filibuster and pass health reform.
This is an ironic legacy of the Tea Party and the tactics it chose: It arose in ferocious opposition to Obama’s agenda, but by driving Specter out of the party and pushing harsh conservatives over more electable Republican candidates, it gave Senate Democrats the majorities they needed to pass and protect the key accomplishments of Obama’s presidency — and that’s before you get into whether the Tea Party’s influence in the Republican presidential primaries forced Mitt Romney to the right and gave Obama a crucial edge in a close presidential election.
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