** FILE ** Ranking Member House Energy and Commerce Committee Rep. Joe Barton (R-TX) fields questions during a press conference at the Capitol in Washington D.C., Thursday December 6, 2007. (Rod Lamkey Jr. / The Washington Times)

** FILE ** Ranking Member House Energy and Commerce Committee Rep. Joe Barton (R-TX) fields questions during a press conference at the Capitol in Washington D.C., Thursday December 6, 2007. (Rod Lamkey Jr. / The Washington Times)