Mr. Dingell is chairman of the House Energy and Commerce Committee, which has legislative jurisdiction in securities matters.

John D. Dingell, a Michigan Democrat who is the chairman of the House Energy and Commerce Committee, said he would oppose the measure.

Mr. Dingell is the chairman of the House Energy and Commerce Committee.

Mr. Dingell, 61 years old, the chairman of the House Energy and Commerce Committee, is expected to be hospitalized for up to two weeks.

Mr. Tauzin, the chairman of the House Energy and Commerce Committee, has been urging the two industries to come to terms for more than a year.

Mr. Dingell is chairman of the House Energy and Commerce Committee, where clean air legislation originates.

As chairman of the House Energy and Commerce Committee, I have made improving our nation's pipeline safety laws a top priority.

Mr. Dingell, chairman of the House Energy and Commerce Committee, supported passage of a new clean air bill after many years of blocking such efforts.

Tauzin, chairman of the House Energy and Commerce Committee, had received $143,424 in campaign contributions from the accounting industry in the preceding five years.

No other player in this contest has been at it as long as the chairman of the House Energy and Commerce Committee.