Romney on Obama attacks: I've got broad shoulders

Web Extra: Following a close friends death from pancreatic cancer, 16-year-old Jack Andraka created a much faster and far cheaper detection method for pancreatic, ovarian and lung cancer. Jim Axelrod speaks with the teen innovator about his favorite awards.

With a father who was an engineer and a mother who was an anthropologist, Dr. Genevieve Bell's career as a cultural anthropologist at tech company Intel Labs was almost preordained. She leads a team of more than a hundred anthropologists, engineers, ethnographers, designers and others, who examine the social and cultural lives of real people and use this knowledge to explore the possibilities of what new, relevant and exciting technology experiences Intel can help create.

Boston transit officer Richard Donohue talks to CBS News' John Miller about the injuries he sustained during a shootout with the marathon bombing suspects

Kim Donohue tells CBS News' John Miller the scare she experienced when a transit officer came to her home after the shootout with the Boston bombing suspects: "My worst nightmare"

Richard Donohue tells CBS News' John Miller how the manhunt for the Tsarnaev brothers completely shook a sleepy Boston suburb.

Officer Richard Donohue tells CBS News' John Miller about learning that his friend and colleague, MIT Officer Sean Collier, was allegedly killed by the marathon bombing suspects