Today President Trump announced to an admiring crowd in Warsaw that Poland should not be dependent upon a single source of energy.  As the President leaves Poland for Germany -- and a demanding G-20 summit -- he leaves behind a legacy of warm cooperation.   That legacy on the one hand includes Poland's continuing commitment to NATO and on the other hand a US commitment to provide an alternate fuel supply of LNG as well as a missile defence program.    See related stories below.  -dh  (Photo: President Trump in [...]