One of the biggest spenders on behalf of U.S. House Democrats launched digital advertising this week targeting U.S. Representatives Mariannette Miller-Meeks and Zach Nunn in Iowa’s first and third Congressional districts. The ads, enclosed in full below, claim the GOP incumbents “could cost you more,” because they support President-elect Donald Trump’s nominee for health and human services secretary, Robert F. Kennedy, Jr.

The House Majority PAC’s 501(c)4 affiliate, House Majority Forward, is funding the 30-second spots, part of a $10 million campaign targeting nine potentially vulnerable House Republicans.

The House Majority PAC, one of the biggest spenders supporting Democrats in U.S. House races, has confirmed Iowa’s first and third Congressional districts are among its “top targets” for the 2026 election cycle.

The PAC also put IA-02 on a list of sixteen House districts that “could become competitive” in 2026.

Nine-term Republican Representative Tom Latham started running a new television commercial in Iowa’s new third Congressional district last week. The spot is a response to a negative commercial that the House Majority PAC is running against Latham. Within days, that Democratic super-PAC responded with yet another ad about Latham. Follow me after the jump for videos and transcripts.

The House Majority PAC, a super-PAC created last year to help Democrats win back control of the U.S. House, is running a television commercial criticizing Representative Tom Latham, the Republican candidate in Iowa’s new third Congressional district.

House Majority PAC is also showing interest in Iowa’s fourth Congressional district. Yesterday the group released topline poll numbers from eight House races, including the IA-04 contest between Representative Steve King and challenger Christie Vilsack.

Follow me after the jump for the anti-Latham ad video and transcript, as well as further details on the IA-04 poll.