Ex - aide John Young testifies he helped cover up Senator Edwards ' affair . Young tells about Edwards ' marriage to the new his mistress was pregnant . ` He said he could n't know about any of this in case he had to be sworn in for attorney general , '' Young said . Edwards is accused of using campaign contributions to hide his mistress . A donor said she believed Edwards would be ` ` savior of America , '' Young testifies .
Ex - aide John Young testifies he helped cover up Senator Edwards ' affair . Young tells about Edwards ' marriage to the new his mistress was pregnant . Edwards is accused of using campaign contributions to hide his mistress . A donor said she believed Edwards would be ` ` savior of America , '' Young testifies .