Biden visits Pittsburgh bridge collapse, vows more U.S. investment - Reuters

Biden visits Pittsburgh bridge collapse, vows more U.S. investment  ReutersHuman chain formed to rescue people from dangling bus after Pittsburgh bridge collapse I ABC7  ABC7Biden visits Pittsburgh bridge collapse site, promises US will 'fix them all'  Fox NewsEditorial: Pittsburgh bridge collapse shows infrastructure failings  TribLIVEBridge collapse: Is local, U.S. infrastructure decline inevitable?  Pittsburgh Post-GazetteView Full Coverage on