Dan Reade obtained a loan to purchase his home from ABN AMRO Mortgage Group Inc. As part of the transaction, Reade executed a promissory note to AMRO. Over the course of time, AMRO merged with CitiMortgage Inc., with CitiMortgage as the surviving entity. Reade made some payments on the note, but her defaulted. When CitiMortgage tried to collect, Reade demanded that CitiMortgage produce evidence that the note had been negotiated to CitiMortgage. Did Citi Mortgage have to show negotiation in order to collect on the note?