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RALEIGH, N.C. (AP) -- The four leading candidates for North Carolina's Republican U.S. Senate primary did little to differentiate themselves on the issues in their second televised debate.

Their similar answers to questions posed Wednesday night in a Raleigh TV studio allowed state House Speaker Thom Tillis to highlight his policy agenda at the General Assembly the past three years.

Greg Brannon, Heather Grant and Mark Harris declined to attack Tillis during the half-hour debate. Brannon picked at Tillis' record during their first debate Tuesday at Davidson College.

The four largely agreed Wednesday on dealing with illegal immigration, repealing the health care overhaul law and considering any government response to climate change. There's one more debate next week.

The winner of the eight-candidate primary will take on Democratic incumbent Kay Hagan in November.
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