Thursday, Feb. 5, 2009 | The Kojo Nnamdi Show

Last week, a man was beaten on a busy street corner in DC. The beating was violent and caught on videotape. But most disturbing is that no bystander intervened or even called 9111 until 20 minutes later. We look at the community response...

Respond to this week's news. Whether it is the challenges faced by President Obama in naming his Cabinet, or the challenges faced by Michael Phelps after his marijuana smoking became public knowledge. It's your turn to set the agenda.

This year marks two significant dates in scientific history: the 200th anniversary Charles Darwin's birth, and the 150th anniversary of Darwin's landmark work, "On the Origin of Species." We speak with scientists from a variety of...