Here are the criteria to qualify for the second GOP presidential debate

Qualifications for GOP presidential debate tightened; fewer candidates expected. RNC now requires 50,000 unique donors (increase from 40,000) and 3% support in two national polls or one national plus two early state polls. Disputes over recognized polls; Suarez, Elder, Johnson claimed qualification but RNC rejected their polls. Candidates must meet requirements 48 hours before debate; also sign RNC's loyalty pledge....