1.   Cities and counties sued to recover the costs of gun violence.

2.   They also have become a popular target for local legislators trying to crack down on gun violence.

3.   Gun violence is increasing at an alarming rate.

4.   Although we still have much to learn about the causes of gun violence, certain trends are already emerging from existing research.

5.   An administration seeking ammunition in the battle against gun violence.

6.   And even as we express our collective horror at tragedies like the one in Wakefield, the truth is that we are addicted to gun violence.

7.   And the Justice Department has remained reluctant to promote it as a national solution to gun violence.

8.   And Thursday, he repeatedly noted that gun violence was a leading cause of death in the state.

9.   Another thing I took with me was a changed attitude toward gun violence.