Norm recaps progress on the mudroom and kitchen. Porcelain plank floor tile made to look like wood is used on the treads and risers of the stairs to the garage. In the great room, Kevin shows how to patch the holes where the recessed lights were: rigid insulation, strapping, wallboard and plaster. In the backyard, contractor Mauro Henrique shows a smart way to paint shutters. Tom shows Kevin how he's turning an arched doorway into one that's squared off to match the rest of the openings. On ASK THIS OLD HOUSE, Tom heads to West Virginia to help a homeowner repair broken sash cords. Roger shows a homeowner how to plant bulbs. And the guys play "What is it" with special guest Doris Kearns Goodwin.