The CEO and chief economist of the groundbreaking real estate website explain how the rules have changed.
The school shootings in Newtown, Conn. have revived memories of another massacre at a primary school in Scotland in 1996.
Sixteen children, most of them just five years old, were gunned down in Dunblane on March 13, 1996. A teacher was also killed by a 43-year-old gunman named Thomas Hamilton.
The killings in Scotland spurred the passage of law that banned the private ownership and use of handguns in Britain.
In the photo above: TOP ROW, From left: Teacher Gwen Mayor, 45, dead: Ryan Liddell, 5, injured: Robbie Hurst, 5, uninjured: Kevin Hasell, 5, dead: Stewart Weir, 6, injured; David Kerr, 5, dead: Coll Austin, 6, injured: Robert Purves, 5, injured: SECOND ROW, From left: Rachel Hally, off sick; Charlotte Dunn, 5, dead: Emily Morton, 5,dead: Joanna Ross, 5, dead: Emma Crozier, 5, dead: Victoria Porteous, 5, injured: unidentified child: THIRD ROW, From left: Abigail McLennan, 5, dead: Sophie North, 5, dead: Hannah Scott, 5, dead: Megan Turner, 5, dead: Amy Hutchinson, 5, injured, Mhairi McBeath, 5, dead: Amy Adam, 5, injured: BOTTOM ROW, From left: Andrew O’Donnell, 5, injured: Matthew Birnie, 5, injured: Mark Mullan, 5, injured: Benjamin Vallance, 5, injured: Brett McKinnon, 6, dead: John Petrie, 5, dead: Ross Irvine, 5, dead: Two additional children, not in the class photograph, Melissa Currie and Victoria Clydesdale, both aged 5, were also killed.
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