For a Republican in Congress, signing the pledge not to increase taxes is all but required; pledge signers include all but 21 GOP members of Congress. The hottest pledge list, however, is the one to swear off earmarks. Since Rep. Jeff FlakeJeff FlakeOvernight Regulation: Senate moves to strike Obama-era internet privacy rules Overnight Tech: Senate votes to eliminate Obama internet privacy rules | FCC chief wants to stay out of 'political debate' on fake news | Wikileaks reveals new CIA docs Senate votes to block internet privacy regulations MORE (R-Ariz.) signed the earmark pledge last summer, 36 others have joined him, including Rep. Judy Biggert (R-Ill.), who signed on Wednesday.

Biggert, in a press release, said that while she supports a moratorium on earmarks for all of Congress,