11.   The Gephardt bill differs from the Clinton proposal in many ways.

12.   The new bills differ from the old ones in design and, for some denominations, in size.

13.   The rival bills differ significantly.

14.   The Senate bill differs only on the margins from what the president proposed and what the House passed.

15.   The Roth bill differed from the House version in several important areas.

16.   The Senate Medicare bill differs in other key areas from the House legislation.

17.   The two bills differ sharply on limits on so-called hard money, the regulated donations that unlike soft money can be directly used to aid individual political candidates.

18.   The two bills differ in some areas, and compromises are being discussed in hopes of winning passage before Congress adjourns.

19.   The two bills differ greatly in the number of people covered and their right to sue.

20.   Though the bills differ, they all call for more aggressive inspection of pipelines, tougher enforcement, higher penalties for violations and public disclosure of pipeline routes.