 NEW YORK (Reuters) - U.S. blue chips were lower on Tuesday,  as a drop in phone company Verizon Communications Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=VZ.N target=/stocks/quickinfo/fullquote"&gt;VZ.N&lt;/A&gt;  overshadowed a brokerage upgrade on Caterpillar Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CAT.N target=/stocks/quickinfo/fullquote"&gt;CAT.N&lt;/A&gt;  and a three-session drop in oil prices.
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Business

UNITED NATIONS - The U.N. Security Council approved a resolution Saturday threatening oil sanctions against Sudan unless the government acts to rein in Arab militias accused of violence in the Darfur region that the United States has called genocide...
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World

Britain's Kelly Holmes stays on track for a medal double as she qualifies for  the 1500m semi-finals.
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Sports

Tom Harris is owner of 24/7 Auctions, an Internet auction consignment store in Vista. It #39;s a growing field. In June, AuctionDrop said it plans to offer a similar service at UPS Stores #39; 3,400 US retail locations, including 50 in San Diego County.
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Science/Tech