The Wall Street Journal notes a telling statistic in a new study: Nearly two-thirds of Americans age 45 to 60 say they will have to delay retirement, a jump from 42% in only two years. The pessimism comes despite a rebounding stock market, rising home prices, and a general uptick in employment. The problem, says a co-author of the report for research group the Conference Board, is that many people in this age bracket dipped heavily into savings over the last few years. As a result, expect the American workforce to get noticeably grayer in the near future, says the Journal. (More retirement stories.)