In Jordan's King Abdullah, Washington saw the kinder, gentler face of the Arab world. Arriving last month to accept an honorary doctorate from Georgetown University, the 43-year-old monarch told American reporters he supports democracy movements spreading from Iraq to Lebanon. His visit to Washington came just as Arab leaders gathered in Algiers without him. The king skipped a regional summit of the Arab League, even though the most talked-about item on the agenda was a Jordanian peace proposal that for the first time dropped Arab demands that Israel cede all lands it acquired in the 1967 war. Rather than tussle...