Politician Heuristic Protocols - The Abridged Diagnostic Manual:

Yes (ashamed) = Extremely verbose circular statements.

Yes (unashamed) = Brief poorly planned-out statement.

No (ashamed) = Shifts focus onto someone else.

No (unashamed) = Verbose, repeat themselves as much as possible.

Lie (ashamed) = Change of subject, deflection when pressed.

Lie (unashamed) = Constructed narrative, rehearsed speech.

That's really all there is to it folks.