The report moved quickly through climate science circles. Mann and a colleague soon lengthened the shaft of the hockey stick back to the year 1000 AD--and then, in 2001, the UN's Intergovernmental ...

The chart, which replaces the well-known food pyramid, uses colored bands of varying widths to represent food groups and the relative amount of each group Americans should consume.

Those expenditures were remarkably consistent for four decades. But there has been a pronounced—one might say “hockey stick”-like jump—in the last year.