Candidacy announcements: Cain, Pawlenty, Romney
Out: Daniels, Trump
New classifications: "latest denials"1, "reconsidering"
Buddy Roemer (exploratory: 3/3/11)
1 This classification has been added for prospective candidates who have been repeatedly asked and denied and intention to run for president (ie: Christie, Bush). Prospective candidates who have issued definitive answers but about whom rumors have forced more recent denials are also included in this categorization (ie: DeMint).