My first-grader couldn’t contain his excitement about his class’ Mother’s Day tea. “You’re coming, right?” he asked anxiously. “Of course!” I answered. The tea had all the trappings: Cookies, cards and of course, a performance. As Zach and his classmates sang along with Louis Armstrong’s “What a Wonderful World,” I suddenly found myself choked up, particularly at the line about babies and how “They’ll learn much more than I’ll ever know.” I didn’t realize quite why…