Sprout, NBCUniversal’s 24-hour preschool network, announced today that Alyssa Milano will join the network as its first-ever Mom-Bassador. As Sprout’s Mom-Bassador, Milano—a mother of two young children—will be the voice and personality of the network’s brand refresh, which goes live on September 26th in celebration of Sprout’s 10th birthday. Milano narrates a series of segments …