Many retirees are focused on the income return from their investment portfolios as the foundation for what they have available to spend in retirement. The flaws of income-oriented strategies have always been present, though the implications are now becoming more apparent, and the consequences could be about to bite. As the yields for most investments are historically low, and likely to remain low for several years, retirees may be tempted to reallocate to higher yielding investments, such as high yield bonds or equity-income strategies. This has led to some c...