Photo by Jon Grant

>> In case you missed it last night, Kwame R. Brown stepped down last night as chairman of the D.C. Council. Mary Cheh (D-Ward 3), as chairwoman pro tempore, will take over until June 13, when the Council will select an interim chairman from among its at-large members.

>> Businesses in Loudoun County are worried their bottom lines will suffer in future years with the “Washington” Redskins, NBC4 reports. Shops and restaurants in Ashburn rely on the traffic provided by Redskins fans during training camp, which starting in 2013 will move to Richmond.

>> Feeling lucky? Maryland’s newest and biggest casino opened last night in Anne Arundel County with about 3,200 slot machines to start, and more on the way, the Associated Press reports.

>> Feeling really lucky? The District’s new batch of 27 speed cameras mounted at intersections around the city are up and running and doling out tickets to drivers who veer over the speed limit, WAMU reports.

Briefly Noted: Awful: 18-year-old son of daycare owner charged with sexually assaulting 3-year-old girl … Home values have plummeted in housing development in Anacostia … Oxon Hill man was gunned down during evening commute … House Minority Whip Steny Hoyer’s (D-Md.) daughter comes out as gay … Eight-year-old in Alexandria honored for calling 911 when her mother was hurt.

This Day in DCist: Last year, we published a primer on the D.C. Council’s ethically challenged members. In 2010, then-Mayor Adrian Fenty got booed at a high school graduation.