There was a time when Dick Cheney could turn back a Republican revolt on Capitol Hill. That time is gone. House Republicans rose up en masse against their vice president on Tuesday morning to blast an administration proposal that would grant Treasury historic authority to start buying hundreds of billions of dollars in devalued mortgage-related assets, according to members present. The lines to speak were long, the questions many and sentiment in the Cannon Caucus Room Tuesday swayed heavily against the Treasury proposal. Afterward, Texas Rep. Joe Barton took the unusual step of telling reporters that he had politely given...