...In 1972, McGovern eloquently declared that now was the time for America to “come home.” His tag line in support of change was used to portray him and other Democrats as isolationist liberals for years thereafter.

By the same token, Mondale in 1984 promised change when he vowed to level with Americans and declared forthrightly that he would raise their taxes should he win the White House. Mondale’s words were “disastrous,” as author Michael A. Cohen argued, because they “served to reinforce the image of [Democrats] as ... tax-and-spend liberals.” LINK