When I look back on the past few years, I can hardly believe the series of events that have shaped my life—and more importantly, my son's life. His name is Liam, and for the first 3.5 years, I had the chance to care for him on my own. I was his sole provider, his world. It wasn’t because his mother didn’t love him, but because of choices she made—and ultimately, because of the system that failed to act in his best interests. Our story begins when his mother, Jennifer, and I were still to...