One Nation, a new 501(c)4 linked to the Karl-Rove-backed American Crossroads super PAC, is spending more than $1.9 million on print, radio and digital ads highlighting the efforts of Illinois Sen. Mark Kirk, North Carolina Sen. Richard Burr, New Hampshire Sen. Kelly Ayotte, Ohio Sen. Rob Portman and Pennsylvania Sen. Pat Toomey to pass the “doc fix” legislation that realigned payments to Medicare providers with inflation.
Source: wiktionary