Article continues below advertisementHomeland Security Secretary Kristi Noem faced tough House questioning over persistent allegations of a sexual relationship with her top advisor, Corey Lewandowski, amid concerns about national security and potential conflicts of interest.The exchange occurred during a House Judiciary Committee hearing where Noem testified under oath on Wednesday, March 4.Noem's husband, Bryon Noem, was present in the hearing room, sitting directly behind her during the initial portion of the testimony.Rep. Sydney Kamlager-Dove (D-Calif.