Water and Drain Lines for a Sink; Rescuing Improperly Planted Trees

Plumbing and heating expert Richard Trethewey kicks off the 9th season of Ask This Old House by helping a homeowner in Canada install a new kitchen sink. Then, up in the loft, general contractor Tom Silva shows host Kevin O'Connor some tools that no home workshop should be without. Then, landscaping contractor Roger Cook and arborist Matt Foti rescue a tree from "volcano mulching.