The Who's Song "My Generation" spoke for many baby boomers in the sixties, who couldn't envision the day when they'd be their parents' age. Thirty years on.... it's happened. According to the American Association of Retired People, one person every eight seconds turns 50 in the United States. Over time, the impact of baby boomer numbers has changed schools, the workplace and family life. And now, officials in Minnesota and throughout the country are trying to anticipate what kind of impact they'll have on the greying of America. Minnesota Public Radio's Gretchen Lehmann reports.