*snip* Rather confided to writer Gregory Speck, "Until now I never fully understood the power of the forces behind my axing from the anchor post at CBS News several years back, simply for speaking the truth about George Bush's questionable National Guard service." Rather was fired in 2006 for claiming Bush had received preferential treatment in the Guard in the early '70s using questionable memos as evidence. He tells Page Six he'll set the record straight in his book due this spring,