Democrat of Texas and also a committee member, has emerged as a possible compromise candidate.
He worked closely with fellow Texas Democrats to build a strong power base.
That cooperation often cuts across party lines, Texas Democrats say.
For all their power, Texas Democrats do sometimes have the air of a beleaguered minority.
Last year the Texas Democrat guided a measure through the committee by a vote of 19 to 17, but the legislation died.
But the Texas Democrat said the reception by committee members to the overall package was "not bad."
"The President wants credit for good things that happen," the Texas Democrat said.
Texas Democrats with national political aspirations have often identified themselves as Southwesterners.
Texas Democrats are standing by a brother.
The Texas Democrat had urged the panel to send the amendment forward with no recommendation.