Off-duty Milwaukee police officers can carry guns any time, anywhere in the city, but not if they have been drinking alcohol, a spokesman said Tuesday. Officer Brandon S. Erdmann, 23, was carrying his personal handgun when he was arrested Saturday morning after allegedly pointing the weapon at a bouncer outside Brew City Barbeque, a popular N. Water St. bar and restaurant, according to the arrest report. "Erdmann displayed his .40-caliber, off-duty handgun, a semi-auto Glock, and pointed it at a security officer who had previously asked him to leave the premises," the report says. The bouncer, Jeff Jackson, 32, said...