When acting as soldiers, they would be insubordinate to speak badly of the Commander in Chief. But they are also citizens and as such they enjoy the same freedom of speech as any other citizen does. So it depends upon context.
Not publicly. As a military member, you are sworn honor your commander-in-chief.
It's hard to say. As commander in chief, he has to make many public appearances. But it does seem he is constantly campaigning.
They're physically able to, so long as they're able to speak. If a superior hears them, they're going to put an end to it, and there could be further repercussions down the road.
coz he can
coz he can
Aber ich spreche kein deutsch
"Indian chief" typically refers to Native American tribal leaders, not Indian as in from India. Yiddish is a Jewish language. It is unlikely for an Indian chief to speak Yiddish, as they would likely speak one of the indigenous languages of their tribe.
He wants his son to be a scribe.
English of course and French but admits to a terrible accent.
Benelli Presents Duck Commander - 2009 Speak Loudly and Carry-Lite 1-9 was released on: USA: 1 July 2009
Because he did like the way treated African American soldiers
He disobeyed a direct order from his Commander-in-Chief, POTUS Harry Truman. Truman warned him not to speak about nuclear weapons or widening the war, but MacArthur used the press to try to establish a political base for the 1952 election.