Republican Theodore Olson and Democrat David Boies are leading the legal team representing the same-sex couples.

NPR: Calif. Gay Marriage Argument At High Court Tuesday

Conservative justices took a greater voice in the second half of the arguments as former Solicitor General Theodore Olson stepped to the lectern to challenge Proposition 8.

WSJ: Skeptical Justices Question Lawyer Defending Proposition 8

Mr. Egan and Ms. Badgett were called to testify by the San Francisco City Attorney's Office and lawyers David Boies and Theodore Olson, who are seeking to overturn Proposition 8.

WSJ: Cost of California Gay-Marriage Ban Unclear