By JOEL DRESANG jdresang@journalsentinel.com Posted: March 29, 2006 All 12 of Wisconsin’s metropolitan areas and 55 of the 72 counties posted lower unemployment rates last month than they had in February 2005, the Wisconsin Department of Workforce Development reported Wednesday. Unemployment in the four-county Milwaukee area hit 5.6% in February, down from 5.7% the year [...]