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 Tech: Senate moving to kill FCC's internet privacy rules | Bill Gates pushes for foreign aid | Verizon, AT&T pull Google ads | Q&A with IBM's VP for cyber threat intel Senate on the verge of vote to kill FCC's consumer privacy protections One safe and simple solution to more timely care for vets 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,