Reason Morning Links: McCain Caves on Immigration, NYC Doormen May Strike, Medical Pot Blazes in Colorado

• Facing pressure from the SEC, Goldman Sachs hires Washington power lawyer Greg Craig.
• New York City doormen prepare to strike.
• Sarah Palin: Not so good with the U.S. history.
• Medical marijuana business in Colorado lights up.
• John McCain does a 180 on immigration, backs Arizona's strict bill allowing local police to arrest anyone not carrying identification.