1 of 3. Regarding @realDonaldTrump's alleged "suckers" and "losers" comments, this is an old Democrat trick. General McClellan used it while running against Lincoln in 1864. He leaked a false story about Honest Abe supposedly disrespecting the Union dead. https://www.google.com/books/edition/Lincoln_On_Leadership/HlyHIPbME2cC?hl=en&gbpv=1&dq=%22picayune+butler%22+lincoln+on+leadership&pg=PA71&printsec=frontcover

2 of 3. A newspaper claimed that, while Lincoln was inspecting the corpse-strewn Antietam battlefield, he suddenly slapped a companion on the knee and asked him to sing a cheerful song. "Not now, if you please," McClellan supposedly said, with a shudder.

3 of 3. The story was false, but the public did not learn the truth until 1895. SOURCE: Donald T. Phillips, LINCOLN ON LEADERSHIP, pp 70-72.