Fighting racism and social injustice is an ongoing battle. Washtenaw County residents will have a chance to make a difference through the United Way of Washtenaw County's "21-Day Equity Challenge." For this week's "Washtenaw United," WEMU's David Fair sits down for a conversation with UWWC President/CEO Pam Smith and UWWC board chair Yodit Mesfin Johnson about how the challenge works and what it seeks to accomplish.