Trump Takes Action On Immigration, Primary Election Preview, Gene Therapy Update : Up First President Trump will talk about his southern border wall and his new action on immigration at a rally in Arizona on Tuesday. The state is one of several where coronavirus cases are on the rise. How will Trump's reception compare to what he saw in Oklahoma? Also on Tuesday, voters in five states will cast their ballots in primary elections. And a woman from Mississippi is one of the first in the U.S. to be treated with the gene-editing technique CRISPR.