Published: Nov 25, 2010 5:52 PM EST
Updated: Nov 25, 2010 2:52 PM EST

WASHINGTON (AP) - A review of government e-mails from last summer shows that the Obama administration struggled to determine just how much oil was leaking into the Gulf of Mexico from a broken BP well. The e-mails also show how the government defended estimates of the extent of the oil spill that for months were inaccurate.