That second mass shooting yesterday  ( I reported on the Atlanta killings yesterday--scroll down to the next posting ) could well trigger significant progress in gun legislation.  For the first time in a long time, Democrats are in control of all three, the Senate, House and White House, when significant incidents of this type previously occurred.   The shooter was Ahmad Al Aliwa Alissa, 21, who was born in the USA.  He killed ten, including a police officer.  He was captured alive, so we'll know why soon. Boulder is around 38 miles from Columbine.  It was almost 22 years ago that 12 students and a teacher were murdered by fellow students at Columbine High school .  Eric David Harris and Dylan Bennet Klebold both committed suicide that day As you know, there was an assault rifle ban in 1994 during a Democratic White House, but expired in 2004 when a Republican was president.  Gun control was on President Joe Biden's priority list, and these two shootings mean one of two things