The Nation's Washington D.C. Editor Chris Hayes will be guest-hosting MSNBC's The Ed Show all week. The show airs 6-7ET. Topics Monday: The Kagan hearings; Senator Byrd's passing and the continuing crisis in the Gulf of Mexico. Hayes will be joined later in the week by The Nation's Katrina vanden Heuvel, GRIT TV's Laura Flanders and others. You can see videos here; we'll be posting highlights at TheNation.com all week.