frontrunner hinging support. clinton harkined back to the '90s when she decried an investigation an her husband where all of the earlier allegations were not true. >> can you explain about the alternative explanation? >> another conspiracy theory. >> you wanted to make it difficult for congressional workers to susubpoena -- subpoena your e-mail? >> that is totally ridiculous. >> reporter: in defending his wife, former president clinton portrayed the e-mail controversy as almost entirely a creation of the republican party. >> every since watergate something like this happens. so i would rather it happen now than later. it was always going to happen. the other party doesn't want to