RIYADH, Saudi Arabia - King Abdullah's harsh — and unexpected — attack on the U.S. military presence in Iraq could be a Saudi attempt to signal to Washington its anger over the situation in Iraq and build credibility among fellow Arabs. The kingdom has taken an aggressive leadership role to quiet Mideast troubles, and wanted to show other Arabs it was willing to put their interests above its close ties to the United States. The White House, in a rare public retort Thursday, rejected the king's characterization of U.S. troops in Iraq as an "illegitimate foreign occupation," saying the United...