Young People Keep Marching After Parkland, This Time to Register to Vote  —  WASHINGTON — The pace of new voter registrations among young people in crucial states is accelerating, a signal that school shootings this year — and the anger and political organizing in their wake — may prove to be more than ephemeral displays of activism.

Texas school had a shooting plan, armed officers and practice.  And still 10 people died. … SANTA FE, TEX. — They, like so many others, thought they had taken the steps to avoid this.  —  The school district had an ­active-shooter plan, and two armed police officers walked the halls of the high school.

Houston Police Chief Says He Has ‘Hit Rock Bottom’ on Gun Rights Arguments  —  Just hours after 10 people were killed in a school shooting in Santa Fe, Tex., the police chief in nearby Houston issued a defiant condemnation of elected officials who have failed to act on gun control, saying he had “hit rock bottom.”

New Reality for High School Students: Calculating the Risk of Getting Shot  —  Just hours after a gunman killed 10 people at a Texas high school, two students 1,000 miles away worried about the safety of their usual seats in the school cafeteria.  —  Calysta Wilson and Courtney Fletcher …

'The Day that We Can't Protect Human Sources': The President and the House Intelligence Committee Burn an Informant  —  It wasn't that long ago that both the executive branch and the legislature in this country considered the protection of intelligence sources a matter of surpassing national importance.