sfx: car unlock beep. sweet and salty nut bars by nature valley. vo: david's heart attack didn't come with a warning. today his doctor has him on a bayer aspirin regimen to help reduce the risk of another one. if you've had a heart attack be sure to talk to your doctor before you begin an aspirin regimen. the popular series "mad men" illustrates how difficult the workplace was for women years ago. >> new line of lipsticks. >> it's called brain storming. >> that sounds intimidating, is it like a test? >> there are no wrong answers, be your pretty little selves and grab lipstick and mirror and sit down. >> they are brain storming. >> i wouldn't expect more than a few sprinkles. >> i love it when they do that,