Former Education Secretary Betsy DeVosdelivers blunt insights about her fight for conservative reformsin America's schoolsafter being vilified bythe teachers unions, media and Democrats.As students and parents grapple with the long-term effects of the unprecedented coronavirus shutdowns, DeVosestablishes herself as a leaderin the new battle in the classroom: the intrusion into curriculum by activists seeking to reappraise American history and pursue a liberal social agenda.Few people have been immersed in these issues and these battles as long as DeVos.Long before she was tapped by President Trump to serve as secretary of education, DeVos established herself as one of the country's most influential advocates forschool choice and charter schools.And she has stories to tell: DeVos received so many credible threats against her life that she became the first Education Secretary in history to be assigned security provided by U.S. Marshals.InHostages to the Cause, DeVos unleashes her candid