Hannah Latham, Nic Antaya for BI; Alyssa Powell/BI This post originally appeared in the Business Insider Today newsletter. You can sign up for Business Insider's daily newsletter here. Default, disappear, and then due again. That's the confusing journey some private student-loan borrowers are facing. Dozens of borrowers, lawyers, and industry experts spoke to BI's Ayelet Sheffey about the uncertainty and lack of transparency that can occur when private student loans move toward default. It's t