The Obama administration is scrambling to repair dam aged relations with Ameri ca's most prominent Arab ally -- and it's hard to blame the Saudis for being furious. Last week, Defense Secretary Robert Gates had to beg for an audience in the Saudi king's palace. (Gates was making the rounds in the region -- but the Saudis at first declined to see him.) Then National Security Adviser Tom Donilon showed up again on Wednesday for a hastily arranged meet. According to The Washington Post, he hand-delivered a secret letter from President Obama to King Abdullah. And yesterday the White House...