The word from his Twitter account – “I just filed my paperwork to run for governor of Wisconsin.”
Revisions/extensions (9:41 pm 4/24/2009) – WISN-TV reports (H/T – WisPolitics) that they confirmed that the Tuesday/Wednesday announcement tour by Walker will be his formal announcement of candidacy.
WISN and others also report that Neumann intends to jump in “some time between now and October.”
One more item, also via WisPolitics – the Superior Telegram is reporting that Superior mayor Dave Ross is exploring the possibility of running for lieutenant governor on the Republican ticket, and expects to decide in the fall.