Actor Patrick Dempsey; actress Reese Witherspoon; testing generic and name-brand drugs.

Author Anne Rice; actress Courteney Cox; journalist Maria Shriver.

Carly Simon performs; Halloween ideas; workplace issues.

Chynna Phillips performs; actress America Ferrera ("Ugly Betty"); author Robert Lacey ("Inside the Kingdom").

Author Valerie Bertinelli; author Peg Streep ("Mean Mothers"); TV personality Mike Rowe ("Dirty Jobs").

Author Valerie Bertinelli ("Finding It"); medical issues; businesswoman Ivanka Trump.

Actress Uma Thurman; financial issues; author Andy Williams ("Moon River and Me").

Author Charlie Carillo ("Raising Jake"); Dr. Sanjay Gupta; Babytalk magazine's cutest baby contest winner.