1847, from which the following are correct extracts:

"The Wilmot Proviso has been before the country some time. It has been
repeatedly discussed in Congress and by the public press. I am strongly
impressed with the opinion that a great change has been going on in the
public mind upon this subject,--in my own as well as others',--and that
doubts are resolving themselves into convictions that the principle it
involves should be kept out of the national legislature, and left to the
people of the confederacy in their respective local governments....
Briefly, then, I am opposed to the exercise of any jurisdiction by
Congress over this matter; and I am in favor of leaving the people of any
territory which may be hereafter acquired the right to regulate it
themselves, under the general principles of the Constitution.
Because--'First. I do not see in the Constitution any grant of the
requisite power to Congress; and I am not disposed to extend a doubtful
precedent beyond its necessity,--the establishment of territorial
governments when needed,--leaving to the inhabitants all the right
compatible with the relations they bear to the confederation."

These extracts show that in 1846 General Cass was for the proviso at
once; that in March, 1847, he was still for it, but not just then; and
that in December, 1847, he was against it altogether. This is a true
index to the whole man. When the question was raised in 1846, he was in a
blustering hurry to take ground for it. He sought to be in advance, and
to avoid the uninteresting position of a mere follower; but soon he began
to see glimpses of the great Democratic ox-goad waving in his face, and
to hear indistinctly a voice saying, "Back! Back, sir! Back a little!" He
shakes his head, and bats his eyes, and blunders back to his position of
March, 1847; but still the goad waves, and the voice grows more distinct
and sharper still, "Back, sir! Back, I say! Further back!"--and back he