When, if not now?

As the world learned about the tragedy in Newtown, Conn., where a young man killed 26 people, children and his mother, wearing combat gear and firing a pistol and a semiautomatic rifle, while we watched the president, commander in chief, weep during his televised remarks from the Brady Room (named after a victim of a crazy gun-toter) of the White House about the incident, while experts proffered their favorite nostrums about mental health and the power of prayer and while politicians from both parties silently cowered in fear of the National Rifle Association, an interesting thing happened in Chenping, a small village in China.
 
According to the AP in Beijing, a 36-year-old man wielding a knife outside a primary school as students arrived for class attacked and wounded 22 children. There were no deaths, though many were wounded, not seriously, according to an attending doctor at the Guangshan Hospital. No motive was known.
 

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That AP story appeared on page 9 of The New York Times, the same edition that reported at length and on page 1 of the attack in Connecticut.
 
Can we connect the dots? How many more tragedies must America witness and endure before we end our policy paralysis, drop our platitudes and evasions and do something effective to limit the needless tragic deaths arising from our deadly gun culture? Even the conservative U.S. Supreme Court, while questionably interpreting the Second Amendment of the Constitution, remarked that its decision did not mean that reasonable controls of guns would be deemed unconstitutional.
 
When, if not now, might American legislators and political leaders provide for these reasonable gun controls?