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It seems we have learned very little from 20 major wars, according to George Carlin.

There is a gun for nearly every person in America. The overwhelming majority of people who die from guns in the US do not die because someone shot them — they die because they shot themselves.
Guns killed 33,636 people in the United States in 2013. But while homicides and mass shootings dominate the headlines, nearly two-thirds of those deaths — 21,175 — were suicides. That's the real gun problem in the US, and we barely ever talk about it.
MOSCOW — Another summer, another trip to the bottom of a sea for Russia's adventure-loving president.
Vladimir Putin climbed into a three-seat submersible craft Tuesday to check out an ancient sunken ship found recently in the Black Sea off the coast of Crimea — the peninsula annexed by Russia last year from Ukraine. He descended 83 meters (272 feet) to see the remains of the Byzantine trading ship, which he said dated back to the 9th or 10th century.
On previous trips deep underwater, Putin has explored the Gulf of Finland and Lake Baikal in submersibles. He also went scuba diving in the Kerch Strait that connects the Black Sea to the Sea of Azov, where he brought up fragments of ancient Greek jugs, or amphorae, that his spokesman later admitted had been planted.