WASHINGTON — Democrats have chipped away at Donald Trump’s lead on immigration after President Joe Biden tightened the U.S. border this year and Vice President Kamala Harris replaced him on the ballot, according to several polls, analyses and advocates.

Vice President Kamala Harris will make her first visit to the U.S.-Mexico border since she became the Democratic nominee on Friday, speaking on immigration as Republicans have scrutinized her views on the issue and claimed she served as the Biden administration’s “border czar,

Despite lower migrant arrests, the complexities of the southern border and a lack of voter trust still pose challenges amid the Democrat's bid for the White House.