>> i pray for her safe return as well. >> for all its twists and turns and shocking revelations when scott peterson murdered laci he followed in the footsteps of countless loving husbands all of whom thought who could suspect me? we'll be back after this. [announcer] if your dog can dream it purina pro plan can help him achieve it. ♪ driving rock/metal♪ music stops ♪music resumes♪ music stops ♪music resumes♪ [announcer] purina pro plan's bioavailable formulas deliver optimal nutrient absorption. [whistle] purina pro plan. nutrition that performs. ...and the wolf was huffing and puffing... kind of like you sometimes, grandpa. well, when you have copd it can be hard to breathe. it can be hard to get air out, which