Steve Bannon is attending his first fundraiser for a House Republican incumbent. The member is Lee Zeldin, from New York's first congressional district.

Why it matters: A source close to Bannon said he is starting to focus more attention and bandwidth on House candidates and will be campaigning with and for some of them.

A second source close to Bannon said this would be the first of a number of fundraisers he's expected to attend. "He has requests from numerous top tier Senate candidates to headline fundraisers for their campaigns," the source said.

Background on Bannon/Zeldin: