On April 20th, 2010, an explosion on the Deepwater Horizon  oil platform, leased by BP, killed 11 workers and began spewing an estimated 200 million gallons of crude into the Gulf of Mexico for nearly three months, creating the worst known offshore oil spill.
April 20th is also the day that we remember the victims of the Columbine High School tragedy , where two students stormed into a suburban high school in Littleton, Colorado in 1999, at lunch time with guns and explosives, killing 13 and wounding dozens more in what was, at the time, the nation’s deadliest school shooting.
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I just heard that fellow blogger Kevin O’Brien (aka WeaponsMan)  has passed away at age 59 of a heart attack. Our condolences to his family. Kevin was a great guy and and served his country well as a Special Forces weapons man. (An 18 Bravo, he also worked in Ops and Intel capacities, including a tour in Afghanistan.) Starting in 2011, he began sharing his knowledge in one of the best blogs I’ve ever read. He was also the primary author of the Firearms Design Library. Kevin will be greatly missed! – JWR