Today's edition of quick hits:
* The news out of Boston is coming fairly quickly, and I'd recommend NBC News' live stream for the latest.
* I found the New York Times' maps of the explosions helpful in providing a sense of scale.
* Iraq: "Insurgents in Iraq deployed a series of car bombs as part of highly coordinated attacks that cut across a wide swath of the country Monday, killing at least 55 on the deadliest day in nearly a month."
* Venezuela: "Nicolas Maduro, who served as Venezuela's interim president in the weeks after the death of his mentor, President Hugo Chavez, won a narrow victory over Miranda state Gov. Henrique Capriles to become the country's elected leader, officials said."
* A prime suspect in Texas: "A former Texas court official will reportedly be charged with the brutal slayings of a Texas district attorney, that official's wife, and an assistant district attorney. Forty-six-year-old Eric Williams was booked into the Kaufman County Jail on Saturday after police searched his home. The ex-justice of the peace has been charged with emailing 'terroristic threats' to county employees."
* At the NRA 500: "A Texas man used a gun to commit suicide in the infield of a National Rifle Association-sponsored NASCAR race at the Texas Motor Speedway in Fort Worth late on Saturday, local authorities said."
* And I know how important today's breaking news is, but I hope Jonathan Cohn's brilliant piece on the nation's child-care system doesn't get lost in the shuffle.
Anything to add? Consider this an open thread.