Four Principles for Selecting a Vice President By Madison Powers and CQ Guest Columnist Posted July 23, 2008 at 12:00am Facebook Twitter Email Reddit Madison Powers is Senior Research Scholar, Kennedy Institute of Ethics, Georgetown University. His column appears each Wednesday in CQ Politics. Recent Stories Louisiana governor postpones House primaries after Supreme Court ruling Congress clears short-term FISA extension Senate bans prediction market trading by members, staff At the Races: A reprieve for Republicans? Trump drops Casey Means, picks Nicole Saphier as surgeon general Funding bill to end Homeland Security shutdown signed into law