General Jackson Is Dead

A rift between Stephen Douglas and President James Buchanan appeared to give Abraham Lincoln a break in his run for U.S. Senate. But Lincoln began scrambling to pull Republicans behind him after Douglas started flirting with a bipartisan anti-Buchanan coalition.

Sources used:

"A Bad Sign." Illinois State Journal, April 14, 1858, p. 2

Blumenthal, Sidney: All The Powers of Earth. Simon and Schuster, 2019.
 
Burlingame, Michael, Abraham Lincoln: A Life. (Vol. 1). The John Hopkins University Press, 1995.

Collected Works of Abraham Lincoln. 1953 Edition hosted by the University of Michigan.

Davis, Rodney and Wilson, Douglas, ed. Herndon's Informants: Letters, Interviews, and Statements about Abraham Lincoln. University of Chicago Press, 1998.
 
Davis, Rodney and Wilson, Douglas, ed. Herndon on Lincoln: Letters. Knox College Lincoln Studies Center, 2016.

Donald, David Herbert, Lincoln: A Biography. Simon and Schuster, 1995.

Guelzo, Alan, Lincoln and Douglas: The Debates That Defined America. Simon and Schuster, 2008.

Kluger, Richard, The Paper: The Life and Death of the New York Herald Tribune. Alfred A. Knopf, 1986.

Morris, Roy Jr. The Long Pursuit: Abraham Lincoln's 30-Year Struggle With Stephen Douglas for the Heart and Soul of America. Smithsonian Books, 2008.
 
Quitt, Martin H. Stephen A. Douglas and Antebellum Democracy. Cambridge University Press, 2012.

Wilentz, Sean, The Rise of American Democracy: Jefferson to Lincoln. W.W. Norton and Company, 2005.