Indiana Sen. Jim Banks, a staunch Trump ally and conservative firebrand, has endorsed Catalina Lauf in the race to succeed Rep. Byron Donalds in Florida’s 19th Congressional District. With Donalds stepping aside to pursue the Florida governorship, where he is already surging after securing President Trump’s endorsement, Lauf is emerging as a leading contender in a crowded Republican primary for the reliably red Southwest Florida seat.

Banks’ endorsement provides an early boost to Lauf’s campaign in the conservative stronghold spanning parts of Collier, Lee, Charlotte, and Hendry counties. Banks cited Lauf’s service in the Trump administration at the Department of Commerce, her previous congressional runs in Illinois—including her role as the GOP nominee in IL-11 in 2022, and her move to Florida to continue advancing the America First agenda.

Lauf has quickly positioned herself as a front-runner, with the backing of Banks signaling growing national conservative support. While President Trump has not yet weighed in on the race, Lauf’s Trump-era credentials and alignment with core GOP priorities such as border security, economic freedom, and opposition to radical “woke” policies strongly resonate with voters in the district.

The primary field has drawn several high-profile candidates seeking to fill the vacancy created by Donalds’ gubernatorial run. Donalds, leaves behind a safe Republican seat that conservatives are eager to defend with a proven fighter.

Other key candidates include:

  • Madison Cawthorn, the former U.S. Representative from North Carolina's 11th District (2021–2023), known for his bold conservative voice, youth appeal, and unfiltered advocacy on issues like Second Amendment rights and election integrity. Cawthorn has relocated to Florida and jumped into the race, drawing immediate attention for his national profile.
  • Chris Collins, former U.S. Representative from New York's 27th District (2013–2019), who was pardoned by President Trump after a legal controversy and is now seeking a comeback in the Sunshine State. Collins brings prior congressional experience and a pro-business, pro-Trump record.
  • Ola Hawatmeh, former senior policy advisor to Rep. Victoria Spartz and a 2020 candidate for New York's 19th District, adding policy depth and experience in conservative circles.
  • Jim Oberweis, former Illinois state senator (2013–2021) and a perennial candidate with a long track record in GOP politics, known for his fiscal conservatism and business background.
  • Jim Schwartzel, owner of WFSX-FM radio station, bringing local media influence and Southwest Florida ties to the contest.

The August 2026 Republican primary is shaping up to be a clash between national conservative figures, Trump-aligned veterans, and local contenders, all vying to carry forward the America First agenda. Banks’ endorsement gives Lauf early momentum at a critical stage, positioning her to consolidate support as the field continues to take shape.