to hosting "saturday night live" to her new sit-com that premieres tomorrow night on tv land. here's a look. >> hi, i'm melanie. i'll be leasing the place. >> i've been the caretaker of this house for 50 years. but you can kick me out. >> i wouldn't -- >> no worries. if you can escape from the nazis, you can handle anything. >> if you're six decades in show business, betty white sat down with john roberts to talk about her personal renaissance of this year of living famously. >> america has always been a country that treasures the young and to some degree has disregarded the elderly. do you think as baby boomers mature toward retirement that that attitude will change and could you be the leading edge of a whole new change in attitude? >> oh, i hardly think i'd be the leading edge. but i don't know where the break