Across the country, people are walking to support the research at St. Jude. Minneapolis is joining the cause and hosting its own event. Bring the whole family, and get some exercise; there will also be fun activities for the kids. Walkers are encouraged to find sponsors, so they can raise funds while they walk. Free. 7 a.m. Target Field, 1 Twins Way, Mpls.; 612.659.3400; givethankswalk.org