Plot: 2010/04/30 Headlines: BP Oil Spill Hits Louisiana Coastline; Thousands Gather for March on Wall St. ; Goldman Sachs Faces Criminal Probe; Protests, Lawsuits Challenge Arizona Immigration Law; Pentagon: Afghan Violence Up Nearly 90%; NATO Forces Kill Relative of Afghan Lawmaker; UN Closes Kandahar Mission; Gitmo Prisoner Skips Evidentiary Hearing; House Approves Puerto Rico Referendum; 4 Prisoners in Holy Land Case Moved to Secretive, Restrictive CMUs