Button Edward News Today

Campaigning. edwards said he enjoyed a visit to her home and looked forward to working with mellon in the future. how use full has edwards former speechwriter been for the prosecution thus far? >> reporter: bill, the prosecution is trying to show edwards was well aware of millions of dollars from two wealthy donors used for you have purposes of keeping his presidential campaign viable. wendy button told her recently only found out about $725,000 in checks. one of those donors, rachel "bunny" mel...