The leading 2020 Democratic presidential candidates will take the debate stage Tuesday and Wednesday in Detroit looking to further define their candidacies, take on rivals, and score a viral moment. Here's what we'll be watching in the debates.

Young voters are poised to play a larger role than ever in the 2020 Democratic primaries, as a diverse field marked by generational divides and differences in style and temperament try to win over the party’s progressive base.