This week marked the biggest diplomatic victory of the Obama presidency so far. After years of talks, a nuclear deal was signed with Iran. However, Republicans are sharply critical of the deal. Also, Mexico's most wanted drug lord sneaks out of jail through a mile-long tunnel that left right from his cell. Finally, fans of "To Kill a Mockingbird" get a not-so-nice portrait of their hero lawyer Atticus Finch in the long-awaited second book from author Harper Lee.