Robinson has been living in the White House since the Obamas moved in almost four years ago. But she has remained behind the scenes, Politico reports, so little known to the public that she can slip out to the store without any public fuss.
Robinson described life in the Obama White House in The Grio, an online platform owned by NBC News and primarily aimed at African-Americans.
"Every day, I'm amazed by how hard they work," Robinson said.
Robinson said first lady Michelle Obama sometimes gets back to Washington in time to be with her daughters after school even though she has been on a trip "halfway across the country." She said the president presides at the family dinner table after a busy day and returns to work once his daughters are asleep.
Robinson ended the piece with an exhortation: "So right up until November 6th, we've got to work our hearts out to help make this country better for our kids and grand kids. That's what I've seen Barack and Michelle do every day as president and first lady."
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