Diversity Explosion: How New Racial Demographics Are Remaking America: by William H. Frey, Washington, DC, The Brookings Institution, 2018, 332 pp., $24.99 (paperback), ISBN: 978-0-8157-732846

If current trends continue, non-Hispanic whites will no longer be a majority in the United States (US) by 2050.1 1 Frey classifies groups differently than the federal government. Most notably, he t...