"District Attorney Cy Vance discusses the office, and Adobe helps Benjamin Banneker Academy educate kids in media. Plus, a roundtable discussion on improving NYC street fairs."

Emily May of Hollaback and Amanda Hess of The Washington City Paper on outing harassers online. Plus Salman Kahn’s one man YouTube education empire, and OKTrends crunches the on-line dating numbers.

The New York Times Magazine’s Virginia Heffernan on the death of the open web. Plus: Jane Jacobs vs. Robert Moses in today’s NYC. And Electric Literature, a multi-platform journal devoted to short stories.

Sunlight Foundation’s Jake Brewer shows us simple tools to illustrate the government’s effectiveness. Plus: publicly available DNA test kits, and new approaches to congestion pricing in Manhattan.

Urban Agriculture Pioneer John Ameroso talks about farming in the City, Riverkeeper President Alex Matthiessen discusses cleaning up water locally and in the Gulf, and what to do this summer no matter the size of your wallet.

Assemblyman Richard Brodsky joined by Dr. Ken Spaeth of Mt. Sinai and Dave Momrow of the American Cancer Society to take a look at the new online cancer map. Plus: Summer jobs for young people and online funding for startups.

NYPL President and CEO Paul LeClerc on how looming city budget cuts threaten his institution. Plus: CUNY linguists on how dying languages live on in NYC, and crowdsourcing the oil spill.

Queens College professor Salman Ahmad, a rock star in Pakistan, talks about his mission as a self-appointed ambassador for peace. Plus: Soap operas that teach immigrants about life in NYC, and the latest on the Gulf oil spill.

Nonprofit Rhizome brought together artists and technologists for a day of collaboration. Executive director Lauren Cornell, plus artist Kristin Lucas and Tumblr founder David Karp, discuss the results. Plus: The MBA Oath.

A look at how one hedge fund may have contributed to the housing bubble, with investigative reporting group ProPublica's Jesse Eisinger and Jake Bernstein. Plus: the Library of Congress archives Twitter, and what's new on Coney Island.