By Maria Danilova and Jennifer C. Kerr, The Associated Press WASHINGTON — In a sometimes contentious confirmation hearing, education secretary pick Betsy DeVos pledged that she would not seek to dismantle public schools amid questions by Democrats about her qualifications, political donations and long-time work advocating for charter schools and school choice. DeVos said she would address “the needs of all parents and students” but that a one-size-fits-all model doesn’t work in education. But Democrats on the Senate Health, Education, Labor and Pensions Committee grilled the wealthy Republican donor on a range of issues Tuesday from sexual assault to child care, students with disabilities and making public colleges and universities tuition-free. Sen.