India is the world's second largest market for guns after the U.S. Gun control in India is tight, but the black market in arms flourishes. Some 85 percent of guns owned are illegally owned.
Most vendors at gun shows are federally licensed dealers, who are required to do background checks on buyers. It's gun collectors and private sellers that aren't federally licensed.
During the bubble, many snapped up properties in neighborhoods they thought were going to become more affluent. But instead of moving up, Chicago's Englewood neighborhood has been spiraling down.
This week, Marketplace's Sylvester Monroe reports from Englewood, a neighborhood on Chicago's South Side, which has one of the highest homicide rates in the city.
In most states, buyers fill out a federal form that the gun dealer keeps in his shop. In restrictive states, for some guns, buyers need to provide references.
Gun stores are busy since the school massacre in Newtown, Conn., revived concern about gun laws. Shops like Blue Ridge Arsenal in Virginia are sold out of some models, but are a gathering place for training and target shooting.
A month after the school massacre in Connecticut, the daily deal site pulled all offers related to guns, including firing ranges and firearms training.
The president called for bans on assault weapons and large-capacity magazines, but also said the U.S. needs more background checks and more research on the causes of gun violence.