In it, but not of it. TPM DC
For those keeping score, here's an abbreviated list of influential Republicans who support the swift ratification of START: Senate Foreign Relations Committee Ranking Member Dick Lugar; former Bush-41 National Security Adviser Brent Scowcroft; former Secretary of State Henry Kissinger; former Secretary of State James Baker; former Secretary of State George Schultz; Reagan Chief of Staff Kenneth Duberstein; Reagan Chief of Staff Howard Baker; and former Secretary of State Colin Powell.
For better or worse, before the Obama Presidency, these men held plenty of sway with elected Republicans. The new START treaty would result in modest reductions to the U.S. and Russian nuclear arsenals while re-establishing just-expired verification measures.