Summary: Mondoweiss.net's Adam Horowitz: Failure of U.S.-Brokered Middle East Peace Talks Could Open Door to More Favorable Process; People for the American Way's Jamie Raskin: U.S. Supreme Court Upholds Michigan Ban on Affirmative Action in Public Universities; National Coalition to Abolish the Death Penalty's Diann Rust-Tierney: Tragic, Botched Oklahoma Execution Renews Call to Abolish the Death Penalty