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Rep. Rob Bishop is the latest Utah politician to endorse Florida Sen. Marco Rubio in the race for the Republican presidential nomination.

Bishop now joins a group that includes fellow U.S. House members Chris Stewart and Mia Love, along with Utah House Speaker Greg Hughes and Lt. Gov. Spencer Cox.

"No candidate better understands the challenges facing our nation in the 21st Century than Marco Rubio and it's my honor to endorse him for president," Bishop said in a statement Tuesday.

With Bishop's endorsement, Rep. Jason Chaffetz is the only House member from Utah who hasn't backed a presidential candidate. On TribTalk Tuesday, Chaffetz said he thinks Rubio has the best chance against Democratic frontrunner Hillary Clinton. But Chaffetz, the chairman of the House Oversight and Government Reform Committee, intends to see how the GOP race plays out before getting involved.

Sen. Orrin Hatch, R-Utah, was the first member of Utah's congressional delegation to endorse, backing Jeb Bush, Florida's former governor, earlier this year. Sen. Mike Lee, R-Utah, remains on the sidelines, saying he doesn't want to endorse in a race that includes three of his Senate allies in Rubio, Sen. Ted Cruz of Texas and Sen. Rand Paul of Kentucky.

A group of Utah Republicans has also announced its support for Carly Fiorina, the former CEO of Hewlett Packard, the only woman in the crowded GOP field. That group is led by Utah Senate President Wayne Niederhauser and state Auditor John Dougall, along with five state lawmakers.

Utah's presidential primary will take place at caucus meetings and online on March 22.