Gulf Oil spill facts seem as murky as stricken waters

The cap over a broken BP wellhead at the bottom of the Gulf of Mexico is collecting more gushing crude day by day, but that's about the extent of the details known as authorities try to pinpoint how much oil is escaping, where it's going and what harm it will cause.
The recently installed containment cap on the stricken BP wellhead is helping to limit the leak, collecting more than 620,000 gallons of oil Monday, Coast Guard Adm. Thad Allen said Tuesday in Washington. Still, underwater video feeds continue to show a dark geyser. [Read more...]