Downtown Minneapolis is drawing big crowds this weekend with both the Basilica Block Party and the first-ever concert at Target Field. Country superstars Kenny Chesney and Tim McGraw and 40,000 fans are expected to take over the ballpark.

Nearly 4,000 charter school officials are expected to gather in Minneapolis this week to discuss the progress of the national movement -- which began 20 years ago when the nation's first charter school opened in St. Paul. Enrollment at charter schools in Minnesota has surged in the last decade, but the effectiveness is still being debated. MPR reports a new University of Minnesota study found students at Twin Cities area charter schools scored lower on math and reading tests than counterparts at traditional schools.

Several dozen people gathered in downtown Minneapolis Friday to protest what they claim is brutality by city police. Among the protesters was Zach King -- a man acquitted of manslaughter in 2008 after his pit-bull mauled his 7-year-old son to death -- who produced photos and a video of alleged abuse by authorities.

Last July, “Roadshow” came to the Minneapolis Convention Center and left with enough good finds for three hourlong episodes. The first premieres on tpt tonight, May 7, at 7 p.m. Minnesota Supreme Court justice and Pro Football Hall of Famer Alan Page appears in next week's episode.