296 A.2d 910 WALTER A. CALDERWOOD v. DOROTHY A. CALDERWOOD. No. 6251.Supreme Court of New Hampshire Strafford. Decided November 3, 1972. 1. The three-year provision of RSA 458:19 requires a periodic re-examination and readjustment of an alimony decree in the light of the parties’ changing needs and financial resources. 2. Pretrial discovery by deposition or […]