(WIBW/CBS) - A Kansas Senator is among those voicing opposition to the Obama Administration's newly announced policy toward Sudan.

Sen Sam Brownback, R-Kansas, says the policy offers incentives and rewards to a regime that has committed genocide.

U.S. Senator Sam Brownback today voiced his opposition to the Obama Administration’s newly announced policy toward Sudan.

“Such a policy is engagement to the extreme, and blind to fundamental principles of justice," Brownback said. "This new policy sends the wrong message to tyrants around the world, that they will not be brought to justice, and instead may even receive American concessions. While all parties in Sudan must fully implement the Comprehensive Peace Agreement, the ends cannot justify the means.”

President Obama said Monday that the U.S. will shift its policy toward Sudan to one based on working with the Khartoum government instead of isolating it.

"However, the new policy will not make major concessions to Bashir, whose government is designated a "state sponsor of terrorism" by the State Department, U.S. officials said last week, speaking on condition of anonymity because Congress had yet to be briefed on the planned policy shift.

Instead, the new policy is designed to bring Khartoum into the fold by offering incentives for improved relations for improvements in the situation in Darfur as well as in southern Sudan, which will hold a referendum on succession scheduled to take place in 2011, they said.

"If the government of Sudan acts to improve the situation on the ground and to advance peace, there will be incentives; if it does not, then there will be increased pressure imposed by the United States and the international community," Mr. Obama said. "As the United States and our international partners meet our responsibility to act, the government of Sudan must meet its responsibilities to take concrete steps in a new direction."

However, Brownback says he's concerned because it's not clear just what the incentives might be.

In the course of the six year genocide in Darfur, as many as 300,000 people in Darfur have died; as many as 3 million have been forced to flee their homes.

The Darfur conflict began in February 2003 when ethnic African rebels took up arms against the Arab-dominated Sudanese government in Khartoum, claiming discrimination and neglect.

U.N. officials say the war has claimed at least 300,000 lives from violence, disease and displacement. They say some 2.7 million people were driven from their homes and at its height, in 2003-2005, it was called the world's worst humanitarian crisis.