Hmmm, let's check a select few:
Commerce Democrats
CHAIR: Inouye, Rockefeller, Kerry, Dorgan, Boxer, Nelson (Fl) Cantwell, Lautenberg, Pryor, Carper, McCaskill, Klobuchar
Commerce Republican:
Stevens, McCain, Lott, Hutchison, Snowe, Smith, Ensign, Sununu, Demint, Vitter, and Thune
Finance Democrats
CHAIR: Baucus, Rockefeller, Conrad, Bingaman, Kerry, Lincoln, Wyden, Schumer, Stabenow, Cantwell, Salazar
Finance: Republicans
Grassley, Hatch, Lott, Snowe, Kyl, Thomas, Smith, Bunning, Crapo, and Roberts
Foreign Relations: Democrats
CHAIR: Biden, Dodd, Kerry, Feingold, Boxer, Nelson (Fl) Obama, Menendez, Cardin, Casey, Webb
Foreign Relations: Republicans
Lugar, Hagel, Coleman, Corker, Sununu, Voinovich, Murkowski, Demint, Isakson, and Vitter
Small Business: Democrats
CHAIR: Kerry, Levin, Harkin, Lieberman, Landrieu, Cantwell, Bayh, Pryor, Cardin, Tester
Small Business: Republicans
Snowe, Bond, Coleman, Vitter, Dole, Thune, Corker, Enzi, and Isakson