Historical Highlights - Republic of Lakotah

Since a white supremacist killed nine people in an African-American church in Charleston, S.C., on June 17, 2015, mass shootings (when four or more people are killed) have occurred every 47 days on average. Before the 1999 Columbine High School shootings, the pace was roughly once every six months. (The Washington Post, as it appeared in . The Week ................
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