Years ago this country witnessed the execution of Timothy McVeigh, the man responsible for the worst act of domestic terrorism in U.S. history. A USA Today poll taken in April showed that 81 percent of Americans wanted McVeigh to be executed -- and 28 percent of that support was from people who are normally against the death penalty. No matter where you stand on the issue of capital punishment, this particular execution has forced itself on our consciousness. One thing that particularly caught my attention was that in lieu of any verbal comment, McVeigh gave a handwritten statement to the warden, quoting a section of the poem "Invictus," which is Latin for "unconquered." That poem, by 19th-century British poet William Ernest Henley (1849-1903), reads in part "I am the master of my fate: I …