"In yet another sign that Rep. Joe Sestak (D-PA) is "dead serious" about taking on Sen. Arlen Specter (D-PA) in the 2010 Pennsylvania Democratic primary, Greg Sargent reports that Sestak "has started building a campaign staff for a Senate race."
"Sestak has interviewed a number of people who would work for his statewide communications operation and online outreach effort, and has talked to candidates for his field operation."