One week after the Boston Marathon attacks, some worry that another wave of security measures are imminent. We explore the tensions between openness and security.

The fertilizer plant explosion in West, Texas, raises questions about the safety of similar facilities around the country. Concerns over how fertilizer plants are regulated and risks to the public.

Kojo explores the political dynamics of the gun debate, with a focus on Virginia -- which is still reeling from the Virginia Tech shooting that took place six years ago this week.

Security has been increased in Washington D.C. following the explosions in Boston this week, but security experts say the odds of being injured by a terrorist attack are still infinitesimal.

Kojo explores the intersection of technology and emergency response and where it fits into the bombings that struck the Boston Marathon earlier this week.

Kojo discusses local and national reactions to yesterday's events in Boston with Rep. Jim Moran.

Additional security measures are in place across the District today following the bombing in Boston on Monday. Mayor Vincent Gray says Emancipation Day events will go on as planned.

On the day of the Boston Marathon, explosions rock the city. An update on casualties, what the authorities know and how the nation is reacting.

On a busy news day we open the lines to get your thoughts on the headlines. It's your turn to weigh in on these news stories and others.

Kojo connects with a journalist from Washington who reported on the Boston Marathon bombings after running in the race himself, and with the chief of the Metro Transit Police Department here in the Washington area.