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http://www.nysun.com/news/national/some-republicans-emerge-endorse-obama
Call them the Obamacans: They are against continuing the Iraq war and reject what they see as Mr. Bush’s unconstitutional buildup of executive power. While the conservative Republican base rejected Senator McCain in the early primaries for his push for bipartisan campaign finance regulation and amnesty for illegal immigrants, the Arizona senator’s hawkish support for the Iraq war has alienated what was once his national constituency, anti-Bush Republicans.