House Democrats today unveiled two plans that would put direct, binding pressure on the White House to withdraw US troops from Iraq by the end of this year or, at the latest, by August, 2008. Speaker Nancy Pelosi presented her proposal at a Capitol Hill press conference, one that comes after weeks of internal Democratic wrangling. Meantime, a caucus of progressive Democrats put forth their own amendment which would move the troops out even faster. John Donnelly covers defense and foreign policy for Congressional Quarterly.