NPR News

The big story at today's Boston Marathon is the weather — in particular the bright, sunny skies and temperatures in the 80s that have race officials worried about how well some of the 27,000 registered runners will cope with the heat for 26.2 miles.

As the Boston Globe says, the medical tents are likely going to be quite busy today. And the Globe says that:

A federal prosecutor who led the elite public integrity unit when the case against the late Alaska Sen. Ted Stevens collapsed has told associates he will leave the Justice Department.

In Burlington, Vt., hundreds of people showed up to try to break the record for world's largest cowbell ensemble. The jam band Phish organized the event to raise money for flood relief in Vermont.

The National Rifle Association's annual convention featured a display of shooting targets featuring zombies. Firing ranges across the country are offering zombie-themed shooting events. Sales of zombie targets are booming.