Sweeping protests in Brazil pull in an array of grievances

by Simon Romero and William Neuman

SÃO PAULO, Brazil — Just a few weeks ago, Mayara Vivian felt pretty good when a few hundred people showed up for a protest she helped organize to deride the government over a proposed bus fare increase. She had been trying to prod Brazilians into the streets since 2005, when she was only 15, and by now she thought she knew what to expect.