Clients nearing retirement have some significant challenges to face. And so do their advisers. They can expect to live far longer after they retire. And the problems they expect their advisers to solve are far more complex. The traditional sources of retirement income may be shriveling, but boomers don't intend to downsize their plans. Instead, they're redefining what it means to be retired—as well as what they require of financial advisers. Planners who aren't prepared will be left behind...