Americans own an estimated 300 million guns. It's a level of gun ownership that no other country in the world comes close to matching. It's also a source of controversy in the U.S., where groups on both sides of the issue seem to have dug deep into the debate.
Watching Mary Tyler Moore while he was growing up, city planner Jeff Speck saw a different view of urbanity. It stood out amongst the crime-ridden urban settings of other favorite TV series.
Millenials, Speck says, have an even broader vision of what city life means, thanks in part to Seinfeld, Friends and Sex and the City.The neighborhood coffee shops and carless characters show viewers a "walkable" city.