Four months have passed since former National Security Agency contractor Edward Snowden began spilling secrets about the NSA's surveillance programs, but many Americans still don't know what to think about the disclosures.
For good reason. The surveillance programs are highly technical, involving the bulk interception of huge volumes of communication data as they traverse multiple links and networks. The laws governing what the NSA can do are complex and open to conflicting interpretations.
A little more than two years ago, Chicago's then-mayor-elect, Rahm Emanuel, expressed his gratitude to supporters on election night.
"Thank you Chicago, for this humbling victory," he told the crowd. "You sure know how to make a guy feel at home."
But today, Emanuel faces sobering challenges common to most of American's biggest cities.
Not only are schools troubled, Chicago's homicide rate spiked last year — a total of 516 murders — the highest in 10 years. Unemployment is 9 percent. And the city's deficit is looming near the $1 billion mark.
If you were listening to NPR 10 years ago this week, you might have heard this enthusiastic proclamation: "The wait is finally over for architect Frank Gehry, for the musicians and staff of the LA Philharmonic, and for all of Los Angeles. Tonight, for the first time in public, the orchestra plays its magnificent new instrument: Walt Disney Concert Hall."