Historic Milwaukee, Inc. hosts "To Kill A Bull Moose: The Attempted Assassination of Theodore Roosevelt, 100 Years Later," Sunday, Oct. 14, at the Hyatt Regency Hotel. Mayor Tom Barrett will take part in the event, which kicks off at 3 p.m. with a re-enactment of the shooting at the hotel's east entrance, where German immigrant John Schrank shot Roosevelt during a presidential speech at the Hotel Gilpatrick in 1912.