Connecting water supply and drain lines for kitchen island sink; rescuing improperly planted trees

Plumbing and heating expert Richard Trethewey kicks off the ninth season of ASK THIS OLD HOUSE by helping a homeowner near Toronto connect the water supply and drain lines for a kitchen island sink. Then, up in the loft, general contractor Tom Silva shows host Kevin O’Connor a few great features of his new workbench. Afterward, landscape contractor Roger Cook and arborist Matt Foti rescue trees that have been planted improperly.