Goo Goo Dolls Duet With ElmoBy Jonathan Cohen, N.Y.Publication: BillboardDate: Monday, October 25 1999The Goo Goo Dolls are the latest musical act to duet with Elmo, the muppet star of "Sesame Street." This week, the modern rock act will team up with Elmo to perform "Pride," a reconfigured rendition of their track "Slide," during a taping of "Sesame Street." The show will air early next year.In other Goo Goo Dolls news, the trio will be on the bill for MTV's New Year's Eve Millennium Bash in New York's Time Square on Dec. 31. Other performers scheduled to appear at the event are Christina Agui