> Tonight World News begins a two-day series called The Lifetime Crunch. Does too much technology heighten stress? When you slow down, are you more productive in the end? Watch. Don't TiVo, 'cause that'll make it more stressful.

> Barbara Walters continues making the rounds. She'll promote Audition this weekend on Tim Russert's MSNBC show. So, to review: Barbara's talked with Oprah, Charlie (last night on ABC), Bill (last night on FNC) and Larry King next week.

> Sen. Barack Obama makes an appearance in the The Situation Room today. It'll be his first national TV interview since the Indiana and North Carolina primaries.