Much has been made of the crucial problem of global warming, recently. But many scientists are now worried that the publicity may be obscuring a much more chronic problem, that of planetary rotational irregularities. A recent study, sponsored by the noted scientific group Moveon.org, began in July of 2005, and was concluded in December of that same year. Careful measurements of the length of the day, measured from the instant of dawn to the onset of dusk, have definitively proven that the period of daylight is shortening. "This is not the first evidence of this sort," scientists have pointed out....