There can yet be a silver lining to the Tucson

massacreifwestoptryingtoexploititfor

politicalpurposesandinsteadseizeuponit

asafreshchancetochangeourcultureof

violence—toomuchhate,toomanyguns,

too many killings. The bitterness in politics is

partofthislargertrouble.Thereisno

evidenceitpromptedLoughner—andthe

fingerpointingshouldstop—butweknew

long before Tucson it must be cleaned up. In

comingweeks,PresidentObamashould

inviteGOPleadersaswellaschieftainsof

entertainment and news, the NRA and others

toseeifwecanreachahigherplane.

Americawill always be rough and tumble — that's in our DNA — but generations past have proven we can also be a noble people.