There are many ways for anyone, let alone a president of the United States, to make his views known. He can call a press conference; call into a host on a favor

There are many ways for anyone, let alone a president of the United States, to make his views known. He can call a press conference; call into a host on a favorable network; issue a press release. Somehow the 40-odd presidents of the US whose terms ended before Twitter did get themselves heard from.