Over 42 million Americans have student loan debt, with a total of more than $1.6 trillion owed.Late last year, the Trump administration announced plans to begin garnishing the wages of borrowers in default on student loans, but backtracked earlier this month. The result has created confusion for many facing student loan debt.Tuesday on Midday Edition, we breakdown some of the biggest changes in the federal student loan system and what borrowers need to know.Then, a new book chronicles the origins of the U.S. student loan system and looks at student debt as an issue of civil rights.Guests:Aissa Canchola Bañez, policy director, Protect BorrowersJamal Watson, higher education journalist, professor and associate dean of graduate studies at Trinity Washington University, author of “The Student Debt Crisis: America’s Moral Urgency"