The new acquisitions exhibition features Njideka Akunyili Crosby’s 2016 painting “Super Blue Omo.”   THE NORTON MUSEUM OF ART is celebrating Black History Month by mounting an exhibition of recent acquisitions by black contemporary artists. “Spotlight: Recent Acquisitions” features eight works—recently executed paintings by Njideka Akunyili Crosby and Mickalene Thomas, photographs and a sculpture by...