Many of the Republican bills backing Trump's immigration agenda have committee hearings scheduled for next week.

Arizona's Republican Senate president is hoping the Trump administration will undo actions by former presidents that curtail ...

Arizona Senate President Warren Petersen filed a statement of interest to run for attorney general, the first step to making ...

Arizona Senate President Warren Petersen spoke to Fox News Digital about the impact of President Trump's executive order ...

Republicans want to throw open doors (and a defunct state prison) to ICE, while Democrats want ICE to do its own work.

Illegal migrant crossings over Arizona’s 373-mile border with Mexico have dried up in the 18 days President Donald Trump has ...

Arizona Senate President Warren Petersen sent a letter to President Donald Trump's Environmental Protection Agency, urging it to avoid California's energy policies that he says have a ripple effect.

EXCLUSIVE: Arizona’s Senate president, Republican Sen. Warren Petersen, spoke to Fox News Digital after attending President Donald Trump's signing of the "No Men in Women's Sports" executive ...

The Grand Canyon Trust recently released the results of a poll on Arizona voters’s support for national monuments. The poll ...

State lawmakers are proposing two diametrically opposed requirements on how state and local officials handle illegal immigration.

The Arizona Legislature sent a bill designed to speed up election results to the desk of Gov. Katie Hobbs, who has indicated ...