Reason Morning Links: Arizona Fights "Anchor Babies", White Powder Sent to Federal Buildings, Ted Kennedy's FBI File

• Arizona lawmakers attempt end-around the Constitution; bill would deny citizenship rights to the children of illegal immigrants.
• Sifting through Ted Kennedy's FBI fle.
• The benefits of prescription heroin.
• Envelopes of white powder sent to federal buildings across the country.
• American arrested in Pakistan says he was on a mission to kill Osama bin Laden.
• A look into the I Can Haz Cheesburger empire.