Steve Bannon calls for immigration agents at polling sites during midterms

Ex-Trump adviser adds to elections officials' concern about potential interference from Trump administration in voting

Steve Bannon, the former White House strategist and rightwing podcast host, said he wants to see immigration agents at the polls in November, a proposal that election officials have feared.

Bannon has no formal power, but is an influential figure on the far right and is closely tied with the Trump administration.