1.   Relevance Lost opened the debate, and in the subsequent years many authors have followed to offer similar evidence.

2.   The debate was opened by Senator Robinson.

3.   An article in Forbes magazine has opened a debate on how many Hispanics of Mexican heritage live in the United States.

4.   As the Senate opens debate on the energy bill, autoworkers say they are also worried about proposals to increase fuel-efficiency standards.

5.   As the House of Representatives opened a debate Tuesday on a major overhaul of campaign fund-raising laws, supporters said it would restore public trust in their government.

6.   As the Senate opens debate Monday on his bill, he seems thrilled to be working with McCain at all.

7.   As the Senate opens debate Monday a bill to limit money in politics, he seems thrilled to be working with Sen. John McCain.

8.   Abortion opponents say they deliberately chose to open the debate by focusing on the late-term procedure they refer to as partial-birth abortion.

9.   Both chambers opened debate on the bills without a majority of support in hand.

10.   Clinton again pressed the issue as the Senate prepares to open debate next week.