U.N. chief say virus causing education “generational catastrophe”

Read MoreSecretary-General Antonio Guterres says it’s led to biggest disruption of education ever, with schools closings in more than 160 countries affecting over 1 billion students.Secretary-General Antonio Guterres says it’s led to biggest disruption of education ever, with schools closings in more than 160 countries affecting over 1 billion students.