Missouri State Auditor Tom Schweich takes preliminary action to run for U.S. Senate.
Wrap: Republican State Auditor Schweich's name appears on a document filed with the Internal Revenue Service under the organization name of "Schweich for U.S. Senate."
Schweich's treasurer Joseph Passanise filed the document on March 6th.
However, Schweich has yet to file for candidacy or make an official statement.
Schweich's competition includes Democratic U.S. Senator Claire McCaskill, and GOP candidates Former Missouri Treasurer Sarah Steelman and U.S. Representative Todd Akin.
The deadline to file for primary candidacy is March 27th.
Reporting from the state Capitol, I'm Natalia Allen.