John David 'J. D.' Hayworth Jr. is an American politician and media personality who served as a Republican member of the United States House of Representatives from 1995 to 2007. After his tenure in Congress, he became a conservative talk radio host on KFYI in Phoenix until leaving in 2010 to run for the U.S. Senate. Hayworth unsuccessfully challenged Senator John McCain in the 2010 Republican primary, marking a significant point in his political career. Known for his conservative stances, he has remained a figure in political commentary and broadcasting.