Ethan Zuckerman : Friends react to Newtown shooting with grief , prayers , calls for gun control . He says some say talk about gun control insensitive ; he says no . We must mourn and act . Comment: Writer : Best way to mourn these deaths is to demand we change our laws , our culture .
Ethan Zuckerman : Friends react to Newtown shooting with grief , prayers , calls for gun control . He says some say talk about gun control insensitive ; he says no . We must mourn and act . He says 2012 may be worst year for gun violence in U.S. , yet we avoid talk of gun control . Writer : Best way to mourn these deaths is to demand we change our laws , our culture .