When Federalist Madison flipped & joined Jefferson's anti-Federalists he soon enough began sounding ("yapping") like his mentor, complimenting Jefferson's "nullification" doctrine with his own "interposition" theory.
On the other hand, President Madison reacted decisively against New England Federalists' Hartford Convention threats of secession.
Madison was under no illusions regarding an alleged "right of secession".
“When Federalist Madison flipped & joined Jefferson’s anti-Federalists he soon enough began sounding (”yapping”) like his mentor, complimenting Jefferson’s “nullification” doctrine with his own “interposition” theory.”
Not just yapping; yapping dog you said about Madison earlier. And now, if I read you right, you are saying the same about Thomas Jefferson.
I am beginning to doubt your judgement.