What happened on February 28, 2007
OPINION
Mega-cities, mega-problems Nicolas P. Retsinas, NICOLAS P. RETSINAS is the director of the Joint Center for Housing Studies at Harvard University and chairman of the board of directors for Habitat for Humanity International.
Hospitals can't cure homelessness Brian Johnston, BRIAN JOHNSTON is the chief of emergency services at White Memorial Hospital, where he's been practicing for more than 30 years.
Allies on the cheap MAX BOOT, MAX BOOT is a senior fellow at the Council on Foreign Relations. mboot@latimescolumnists.com
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