MATADOR, PADUCAH STORES REMAIN OPEN; SPUR STORE TO CLOSELast week’s fourth-quarter earnings report for Dollar Tree Inc., which owns the Family Dollar chain, set media outlets nationwide buzzing with the news buried deep in the press release: the chain plans to close some 1,000 stores across the nation.At several local stores the Caprock Courier and Texas Spur checked with, managers aren’t yet…