"Stray Cat Strut" - 5th Annual march by Tree House Humane Society from their Bucktown branch to their Uptown headquarters to raise awareness of pet overpopulation & other issues. 10 AM to 2 PM w/Open House until 2 PM. $25 registration fee (all funds go to pet care). Refreshments before & after walk. Registration & information: www.treehouseanimals.org erin@treehouseanimals.org 773-784-5488 x 238.