While schools struggle to teach basic 20th-century skills,  21st-century students will need to compete with robots for work in The Age of Agility, warns a new report by America Succeeds. “The paper echoes growing fears of a ‘fourth Industrial Revolution’ that could shunt aside blue- and white-collar workers alike in favor of ever-more-capable machines,” writes Kevin Mahnken on The 74. Nearly half of all American jobs could be threatened by computerization within the next 20 y