Liberal revolt threatens to derail House Democrats on their first day in charge

House Democratic leaders are set to advance sweeping internal rules changes Thursday that would attempt to bring more sunshine to congressional governance and defuse a pair of political powder kegs that wreaked havoc on GOP leaders over the past eight years.

But in their first day of power in the new Congress, Democrats must stave off a liberal rebellion after prominent Democrats said they would oppose the entire rules package that has been carefully assembled by Rep. Nancy Pelosi, D-Calif., and a top lieutenant.

RECOMMENDED VIDEO00:00Rep. Ro Khanna of California and Rep.-elect Alexandria Ocasio-Cortez of New York said they would vote against the rules changes - in the second vote Democrats will take in the majority after ostensibly electing Pelosi as the new speaker - because of the inclusion of a fiscal measure known as "pay as you go," or PAYGO...