In a politically polarized nation, both Republican and Democratic voters worry over the state of U.S. democracy and how the outcome of the presidential contest will affect its future; they just disagree over who poses the threat. (Dec. 15) (AP Video/Serkan Gurbuz)

New poll shows Americans worried about democracy, AP Explains

In a politically polarized nation, both Republican and Democratic voters worry over the state of U.S. democracy and how the outcome of the presidential contest will affect its future; they just disagree over who poses the threat. (Dec. 15) (AP Video/Serkan Gurbuz)