“Mystery candidate” speculation in DC

Congressional Daily speculates on which prominent Iowa Democrat who is female might emerge as the “first round draft pick” candidate to challenge Iowa Senator Chuck Grassley (R-New Hartford, Iowa) in 2010.  Congressional Daily’s answer, citing unnamed sources:  Roxanne Conlin.  Carrie Dann, a former NBC/Universal producer who lived in Iowa in 2007 and covered the presidential campaign, is one of the reporters who worked on the story.