The United States of America is experiencing a housing crisis, which, by some estimates, started in the early 2000s and was made worse by the financial crisis of the 2007-2008 recession. Hundreds of thousands of Americans lack decent and affordable housing or everyday shelter. Instead, they must live in tent encampments stowed in the niches of neighborhoods and under the freeway overpasses of many major U.S. cities, often in unsafe conditions. Signs...