Constitutional convention is one way to amend a broken system

What exactly is a “convention of the states,” and should anyone be losing sleep over it?
In September, state lawmakers from around the country will gather at the Arizona capitol to draw up rules for a future convention that will attempt to propose amendments to the U.S. Constitution.
There hasn’t been a constitutional convention in the United States since 1787, although the Constitution has been amended 27 times. If you don’t count the first 10, which were adopted almost