(1) 3 principles that defined conservatism: fiscal responsibility, national security and moral values & (2) Nothing to be gained by moderation

From TIME:

If you think politicians clinging to power isn't big news, then you may have forgotten the pure zeal of Gingrich's original revolutionaries. They swept into Washington on the single promise that they would change Capitol Hill. And for a time, they did. Vowing to finish what Ronald Reagan had started, they stood firm on the three principles that defined conservatism: fiscal responsibility, national security and moral values. Reagan, who had a few scandals in his day, didn't always follow his own rules. But his doctrine turned out to be a good set of talking points for winning elections in a closely divided country, and the takeover was completed with the inauguration of George W. Bush as President.

[P]art of an electoral strategy dating back to the 2000 election . . . suggested there was nothing to be gained by moderation. In a memo he wrote to Karl Rove, Bush pollster Matthew Dowd estimated that truly independent voters had fallen to a mere sliver of the electorate. There were, Dowd concluded, not enough percentage points in being "a uniter, not a divider." The key to winning in a polarized country was mobilizing the conservative base.