Ralph Peters in the November 2007 edition of American Legion Magazine - 12 Myths of 21st Century War. Visit the link for Peters' reasoning behind each myth.

Myth No. 1: War doesn't change anything.
Myth No. 2: Victory is impossible today.
Myth No. 3: Insurgencies can never be defeated.
Myth No. 4: There's no military solution; only negotiations can solve our problems.
Myth No. 5: When we fight back, we only provoke our enemies.
Myth No. 6: Killing terrorists only turns them into martyrs.
Myth No. 7: If we fight as fiercely as our enemies, we're no better than them.
Myth No. 8: The United States is more hated today than ever before.
Myth No. 9: Our invasion of Iraq created our terrorist problems.
Myth No. 10: If we just leave, the Iraqis will patch up their differences on their own.
Myth No. 11: It's all Israel's fault. Or the popular Washington corollary: "The Saudis are our friends."
Myth No. 12: The Middle East's problems are all America's fault.