LATER FRIDAY NEWS: * What you need to know about the contraception compromise . And here's your ( excellent ) follow-up . * "The weakening of nations: how tax work-arounds undermine our society." * New, more specific travel warnings for Americans heading to Mexico . * Andrew Cohen on the future of the fight over Proposition 8 . * Jonathan Chait on the Republican gauntlet boxing in Romney. * Brilliant. 109 things that the right-wing media has accused Obama of ' declaring war on .' * While at the Republican CPAC forum, the gays are no-go, but white supremacists are just fine. * "Bear McCreary reveals the physics behind your favorite science fiction theme tunes ."