Reason Morning Links: Spill Estimate Grows, Dems Prospects Brighten, More Violence in Mexico Radley Balko | 6.16.2010 8:37 AM New congressional polls have Democrats optimistic. Estimates of oil leak swell to 60,000 barrels per day. Blackwater chief reportedly moving to the United Arab Emirates. Hundreds dead in new wave of drug violence in Mexico. Closing arguments begin in California same-sex marriage trial. Radley Balko is a journalist at The Washington Post.