A man charged with shooting a prominent Kansas doctor who performed late-term abortions has been advocating through mailings from his jail cell that such killings are justifiable and communicating with individuals on the fringes of the anti-abortion movement, weeks after suggesting others might be planning similar attacks. Scott Roeder, 51, is charged with first-degree murder and aggravated assault in the May 31 death of Dr. George Tiller -- an attack that reignited the national debate over late-term abortion and gave Roeder icon status among extremists in the anti-abortion movement. From his cell in Sedgwick County jail, Roeder has been sending anti-abortion pamphlets that laud Paul Hill, who was convicted of murdering an abortion...