President Biden has brought in a new senior adviser to tackle the unprecedented levels of migration throughout the Americas, two people familiar with the matter tell Axios. Why it matters: Marcela Escobari,

New polling by Gallup has revealed that Americans have rated immigration as the U.S.'s top problem for the last three months, possibly raising concerns for President Joe Biden amid his reelection bid.

A recent lull in attempts to illegally cross the U.S. southern border could have more to do with beefed up enforcement efforts by Mexico in recent months.

The Biden administration is eyeing a new point guard on border issues, with plans to bring in the Department of Homeland Security's Blas Nuñez-Neto, Axios has learned. Why it matters: A lack of ownership among senior White House officials on the border has hampered President Biden's ability to respond to what has become one of his most vulnerable election issues.

The White House Communications Director acknowledged strong economic recovery under Biden but noted the challenge of communicating that to the public.