Public health historian Gerald Markowitz reminds us that the problem of lead poisoning is anything but new.
The Connecticut state legislature opens a new session this week, less than a month after the horrific mass shooting that killed 20 children and six adults at Sandy Hook Elementary School in Newtown, Conn.
On top of the regular agenda, lawmakers are expected to offer many proposals to address gun violence, including an outright ban on the Bushmaster rifle and 30-round magazine used in the massacre.
ProPublica reporter Joaquin Sapien has taken a look at the states where some of the worst shootings in recent U.S. history have occurred, and found the events did little to change state gun laws.
Robin Young and Jeremy Hobson are hitting the road to cover the elections. Our Tumblr brings you behind the scenes.