"Arrest Henry Kissinger for war crimes!"The strained, sing-songy chant that sent Sen. John McCain (R-Ariz.) into a twitching fit of rage Thursday afternoon had died out by the time security escorted one last graying activist from the hearing room. For McCain, though, the quarrel never ends.This was no ordinary disruption, and the man seated before the panel, former U.S. Secretary of State Henry Kissinger, was no ordinary...