More here In the Grammy Awards in 2009, Maya Arulpragasam, also known as M.I.A., performed her biggest hit, “Paper Planes,” a rap song that infuses rebellious, defiant lyrics with the sounds of her native Sri Lanka, a riff lifted from the Clash, the bang-bang of a gun and the ka-ching of a cash register. Maya, as she is called, was nine months pregnant (to the day), and while she was onstage rapping about “some some some I some I murder, some I some I let go” — in a black skintight, body-stocking dress, transparent except for polka-dot patches that strategically covered her belly, breasts and derrière — she began to experience contractions. As the pain hit, Maya was performing with the male titans of rap (Jay-Z, Kanye West, Lil Wayne, T.I.) and she later told me that she thought all the free-floating testosterone caused her to go into labor. While American rappers today tend to celebrate sex, wealth and status, Maya, who grew up listening to the politicized rhymes of Public Enemy, take...