All Things Considered

What do you think makes a better city? Do you like a mix of old and new on the same block?

Several urban thinkers joined us for a discussion on Twitter, including Bruce Katz of the Brookings Institution, Carol Coletta of ArtPlace America, writer and blogger Aaron Renn, The Atlantic Cities editor Sommer Mathis and Diana Lind of Next American City.

Bernard Farrell obsesses over every bite he eats, every minute of exercise he gets, and everything that stresses him out. And, more than anything else, Farrell obsesses over his blood sugar.

He has to. Farrell, 55, has Type 1 diabetes.

"Pretty much everything affects our blood sugar," says Farrell, of Littleton, Mass.

California's Silicon Valley remains by far the dominant arena for high-tech startups and venture capitalists looking to back innovative projects.

But Europe is starting to make its mark on the startup scene. London, Paris and Berlin are starting to hold their own as more and more European startups look to compete on the global stage and attract investors.

A 'Crazy Green Field' For Creative Types

For the last 18 years, the Essence Music Festival has been the go-to event for African-Americans, especially African-American women. For three days in New Orleans, hundreds of thousands show up for R&B and gospel concerts and panels on politics, financial planning and parenting.

If it's a party, as creator George Wein describes it, it's a party with a purpose.

"New Orleans is a party city and they party," Wein says. "People party here. If you go to the hotels — 40-floor hotels — [there's] like 40 floors of parties."