Among the items in Norman Hsu's personal collection of Clinton memorabilia: CDs of presentations made by Hillary Clinton as well as an envelope of thank-you notes from the Democratic presidential front-runner... One envelope was devoted to letters from New York Sen. Clinton, thanking Mr. Hsu, who was one of her biggest fund-raisers. The Clinton campaign has said it would return to donors the money Mr. Hsu helped raise. Mr. Hsu had several CDs and a video of Mrs. Clinton giving presentations in New York. Another CD was entitled "Merle Haggard Hillary." Mr. Haggard wrote a song for Sen. Clinton earlier...