The night before the Women’s March on Washington Jan. 21, I sat with my mother and sister in our living room making picket signs for the occasion. My mom – the better artist – was putting the finishing touches on the globe she had drawn on my poster, which declared my reason for marching: Because I’m scared for our planet! “They’re estimating that 200,000 people will show up,” I said as I watched her handiwork. “But I think there are going to be way more.” As soon as we ascended the steps of the Farragut North Metro station in D.C. the following morning, my prediction was confirmed. The procession of…