Oct 07 Why won't Governor Pawlenty call for an ACORN investigation?

1) First Minnesota Majority invites Governor Pawlenty to join 8 GOP gubernatorial candidates to request an ACORN investigation:

2) Two days latter, Bill O'Reilly calls on Governor Pawlenty to launch an ACORN investigation:

3) Yesterday Michele Bachmann joined in the call for Governor Pawlenty to appoint a special investigator:

4) As of this morning, Minnesota Majority members had sent nearly 1200 petitions to Governor Pawlenty requesting a formal investigation.

5) O'Reilly says he will be reporting on the Minnesota ACORN situation on tonight's show.

QUESTION: Why won't Governor Pawlenty simply call for an ACORN investigation?