Burr informed President Barack Obama of his decision through the White House counsel’s office, Barb Barrett reports. The decision means that Burr will hold up the selection of a new prosecutor.
Burr, a Winston-Salem Republican, wants the current U.S. attorney, George Holding, to complete his probes into former Gov. Mike Easley and two-time presidential candidate John Edwards. Holding was appointed by President George W. Bush.
In a prepared statement, the senator said he supports Walker, a Charlotte lawyer who works for the same legal firm as former U.S. Sen. Bob Dole, the husband of former U.S. Sen. Elizabeth Dole.
Burr said he told Obama his opinions in a letter in July about the nominations; his office has refused to release the letter.
"I believe Thomas Walker, who was nominated by the president to be Mr. Holding’s successor, is well-qualified to serve as U.S. attorney, and I support his nomination," Burr said in his statement.
"It is clear, though, that political contributions made by Mr. Walker to the former North Carolina elected officials currently under investigation represent a conflict of interest, and would potentially require his recusal from those very investigations," Burr continued.
Walker has been a donor to Easley.