Topic: Avaaz

Facebook founder Mark Zuckerberg (ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)

Facebook's threat to public health

Matthew Rozsa
Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol, March 13, 2018 (Getty/Chip Somodevilla)

14,000 shoes to protest gun violence

Nicole Karlis