Hundreds of gun owners and enthusiasts attend a rally at the Connecticut Capitol in Hartford on Jan. 19. Rick Hartford/MCT/Landov hide caption

itoggle caption Rick Hartford/MCT/Landov

Supreme Court justices will hear arguments Tuesday on California's Proposition 8 ban on same-sex marriage. On Wednesday they'll hear arguments on the federal Defense of Marriage Act, which defines marriage as between one man and one woman. Nicholas Kamm/AFP/Getty Images hide caption

itoggle caption Nicholas Kamm/AFP/Getty Images