invading the nation's capital. mark albert. >>> west virginia's senator joe manchion finds himself in the hot seat over the spy spiraling cost of a life saving drug. manchion's daughter is ceo of mylan, the company raised the price of the epipen, which treats severe allergic reactions by 500%. she raised her salary to $19 million last year. manchion, received $60,000 in campaign contributions from mylan will not comment. colleagues are calling for a congressional investigation. >> one of 50 americans including children are at risk for severe allergic reactions an epipen is designed to to stop. families have seen their out of pocket costs rise, by hundreds of dollars. so we thought might be interesting to hear from the man who knows about the business of raising drug prices. >> this particular drug is a necessity. >> important medicine should be expensive. they're valuable. >> former pharmaceutical chief,