Account-1: @COPSOffice (Twitter)Account-2: @CatoInstituteDate: Tuesday, December 1, 2015Body: Dir. Davis will offer keynote address at @CatoInstitute #PolicingUS conference today at noon. Watch live: http://www.cato.org/liveLink: https://twitter.com/COPSOffice/status/671716424549834752Social Action: featured in a tweet