Kenneth Starr and Shannon Minter, lead attorneys in the California Supreme Court case that will decide the fate of same-sex marriage in the state, are as different as the competing sides they represent.

Starr, dean of Pepperdine University School of Law, is best known for leading the inquiry into President Bill Clinton’s affair with a White House intern.

Since then, the former federal judge and U.S. solicitor general has dedicated himself to conservative causes, including writing briefs for the Mormon church in a previous gay marriage case in California.

Minter, legal director of the National Center for Lesbian Rights in San Francisco, is a transsexual who spent his first 35 years as a female. He was a lead counsel in the state Supreme Court case decided last May that allowed same-sex couples to marry, a ruling that was reversed in November when voters approved Proposition 8.

Starr and Minter will square off Thursday in the most closely watched California Supreme Court hearing in a generation. They’re set to deliver oral arguments in three suits in which supporters of gay marriage contend that Proposition 8, which limits marriage to a man and a woman, is unconstitutional.

Minter, 48, representing gay rights groups, will be the first attorney to address the court in San Francisco. Starr, 62, will deliver the final arguments on behalf of the Yes on 8 campaign.

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In a case that could make Iowa the first Midwestern state to legalize same-sex marriage, the Iowa Supreme Court on Tuesday pressed lawyers for both sides with sharp questions on topics like the 4,000-year-old history of marriage and whether a ruling favoring gay couples would open the door to polygamy.

The legal core of the case, Varnum v. Brien, is whether the state’s 10-year-old law defining a “valid” marriage as only “between a male and female” violates the Iowa Constitution’s guarantees of equal treatment and due process.

A trial court judge ruled last year that the law was unconstitutional and that a dozen gay men and lesbians had been wrongly denied marriage licenses in Polk County, which includes the state capital, Des Moines. The state appealed the ruling, leading to Tuesday’s oral arguments.

But the technical details of the law and the Constitution were only part of a free-wheeling discussion lasting nearly two hours in which the seven justices repeatedly interrupted the lawyers, demanding that they parse and defend their positions.

 See  Iowa Justices Hear Same-Sex Marriage Case