Concern about political violence following the assassination of Charlie Kirk

I remember when I first started covering politics in upstate New York in the Udica, New York area, the Congressman Sheri Buller was famous. His phone number and address was in the phone book. Anybody could walk up and knock on his door and ask him um you know about something that was happening in Washington or a problem that they were having with the federal government that he needed that he could help them with.These members of Congress can't do that anymore. They have to hide their addresses and where the ...