Aug. 9, 2005 | Cindy Sheehan, the angry 48-year-old mom from Vacaville, Calif., whose son died while serving in the Army in Iraq and who has been staging a lonely bring-the-troops-home vigil outside President Bush's ranch beneath the baking Texas sun, has clearly become a thorn in the president's vacationing side. Putting a public and empathetic face on the war's toll in America, Sheehan, whose son, Casey, was killed in April 2004, has posed a very simple request to Bush: Come out and talk to me about Iraq and why my son died. ......... Taking peculiar pleasure in trying to...