"Members of the liberal media have made it clear that they don't like our conservative agenda and they don't like the fact that I want to take that conservative philosophy to Washington, D.C. They prefer a liberal Senator like Kay HaganKay Ruthven HaganPolitics is purple in North Carolina Democrats can win North Carolina just like Jimmy Carter did in 1976 North Carolina will be a big battleground state in 2020 MORE rather than any conservative who wants to stop the Obama agenda," Tillis writes to supporters. "While Kay Hagan has been traveling the country raising money from the Obama political machine, the liberal media has been attacking me for trying to jump-start our campaign."

Tillis, the president pro tempore of the North Carolina state House, presided over a legislative session that pushed through some controversial laws on taxes and abortion that triggered vocal protests and drew national media attention.

He has been in a tough spot as a candidate: Tillis spent the first month on the trail trying to balance a busy legislative session with his campaign's rollout. He was criticized by some in the local media for skipping out on a busy day in the legislature to attend some fundraisers in Washington, D.C. The laws have drawn plenty of attention locally, as well.

Blaming the media is a time-honored tradition for candidates coming off a rocky start — especially for Republicans who view the press as inherently biased against them.

Hagan is viewed as one of the most vulnerable senators up for reelection, and Tillis is, at this point, the front-runner to face her next fall.