Sen. Burr Steps Down as br Intelligence Committee Chair br as FBI Probes Stock Trades On Thursday, the Republican Senator br from North Carolina informed Senate br Majority Leader Mitch McConnell br that he would be stepping down. Sen. McConnell, via br 'The Washington Post' Burr's cellphone was br seized by the FBI as part br of an investigation of stock trades br made on behalf of the senator. The trades were conducted br before the market crashed due br to the coronavirus pandemic. Burr made a statement br regarding his decision. Sen. Burr, via br 'The Washington Post' A replacement for Burr has not been announced. br Republican Senators Risch and Rubio are br next in line for the position per seniority.