Gill Cochran of Annapolis and his dog Lily go sailing on the Chesapeake Bay. (See more photos in our gallery.) (Marvin Joseph/The Washington Post)

Also in this week’s Weekend section:

Our picks for the best events this weekend: It’s the big weekend for festivals. Choose between Arts on Foot, the Alexandria King Street Festival of the Arts, the Maryland Seafood Festival, the Silver Spring Jazz Festival and Adams Morgan Day.

Grammy-winning songstress and NPR radio host Dee Dee Bridgewater headlines the Rosslyn Jazz Festival on Saturday.

Arena Stage opens its season Friday with “Trouble in Mind,” a 1955 play-within-a-play by writer-actress Alice Childress.

A new show at Edison Place Gallery features art made in response to 9/11.

Contagion,” the big movie of the week, gets 2 stars from critic Michael O’Sullivan, who says it “plays less like a conventional medical thriller -- think ‘Outbreak’ -- than like a dramatic reading of a ‘Nova’ episode, performed by Hollywood’s elite.”

You might also like:

Reviews for all movies opening this week

Georgetown Neighborhood Guide