The last thing any nation wants to see is the decline of its safety (think: an empire losing strength as barbarians are set to storm the gates). In our case, the signs of decay are there for anyone to see. But of course, there are none so blind as those who will not see. Here are four examples of troubling trends: Leadership: With Biden, America has a chief executive who must resort to cue cards to know how to enter a room, sit down, and give preapproved and scripted answers to reporters' questions while acting as if his answers sprang...