The latest effort to overturn California's Prop. 8 gay-marriage ban is wrapping up in federal court today, with Ted Olson and David Boies--the attorneys for George W. Bush and Al Gore in the Florida 2000 court case--presenting final arguments. (For a liveblog of what's going on, check in with Firedoglake.) Gay-marriage proponents have voiced optimism about this case since it mirrors the case that successfully ended California's gay-marriage ban in 2008, ultimately leading to the Prop. 8 campaign to ban it again.