DeLancey-Cooper House On Verge Of Being Sold, Donations Needed COOPERSTOWN – The Friends of the DeLancey-Cooper House in Mamaroneck have only two weeks to raise the final $500,000 of $2.5 million needed to acquire and preserve the property where James Fenimore Cooper was provoked into writing his first novel, “Precaution.” “I’m afraid we don’t have good news,” Carol Akin of Mamaroneck, who summers on Otsego Lake, in an e-mail to people who have supported the drive. She said a major…