Detroit's Metro News offers a handy guide to some of this summer's better art shows in the Midwest. The list can give you ideas for weekends out of town, or it might simply inspire you to head downtown to the MCA for the Dan Flavin retrospective. The Trib's review could hardly be more glowing (pardon the pun), and if you'd like a multi-media preview, there's this feature from the Washington Post about the exhibition's original installation in the National Gallery.