Yesterday, Vice President Biden spoke at a conference on gun violence at Western Connecticut State University.

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Within minutes backup generators had switched themselves on at Western Connecticut State University in Danbury and at Pitney Bowes in Stamford.

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"America has changed on this issue, " Biden said at the conference at Western Connecticut State University, which the gunman once attended.

NPR: In Connecticut, Biden Urges Action On Gun Control

Within minutes backup generators had switched themselves on at Western Connecticut State University in Danbury and at Pitney Bowes (nyse: PBI - news - people ) in Stamford.

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