It’s been a very somber day here in Boston. The sky was unrelievedly grey, rain pelted down almost unceasingly, and church bells throughout the city tolled at 2:49 p.m., for the two bombs that went off near the finish line of the Boston Marathon exactly a year ago, killing three people and maiming 260 people, some of whom lost limbs, and many of whom will live with life-long injuries and continuing trauma. A police officer was later killed by the two terrorists, whose names I hope never again to have to hear.

Former Boston Mayor Tom Menino, Boston Mayor Martin Walsh, Vice President Joe Biden and Mass. Gov. Deval Patrick (AP Photo/Charles Krupa)
Here are several posts I wrote last year, right after it happened:
The Boston Marathon Massacre: Why would anyone do this?
The Boston Marathon Bombing: Bucket brigade of flowers
Here are some photographs I took last year of the memorial: