Support for a wall at the southern border and deporting all undocumented immigrants has jumped by at least 10 points since 2021, according to a new poll from Axios released Thursday. Polling has shown immigration and the border are key issues in the 2024 rematch between Joe Biden and Donald Trump. Polling has also shown voters favor Trump when it comes to those issues. From Axios: “The findings suggest former President Trump’s calls for more border security — and perhaps his anti-immigrant rhetoric — are registering even among people who may have ties to immigration.” According to the report, …