ATLANTA--(BUSINESS WIRE)--Boston has been under a deep freeze this winter and so has consumer spending according to a new SpendTrend® report released today by First Data Corporation, the global leader in payment technology and services solutions. While fair weather and an improving economy brought higher sales elsewhere, the analysis of more than 25,000 local Boston merchants showed a drastic drop of 6.2% in overall spending during the period of historic blizzards of January and February. Natio