Migrant caravan treks through Mexico, headed toward US border

(NewsNation) — Hundreds of migrants have left southern Mexico in a caravan headed toward the United States border.

Some have hopes of crossing before November's election, fearing potential immigration policy changes Donald Trump might enact if reelected as president.

The migrants departed from a city near Mexico's border with Guatemala on Sunday to embark on a dangerous journey that takes months.

This comes as all eyes are on Vice President Kamala Harris as Democrats rally around her as the n...