Transit workers in San Francisco are on strike for a second time this year as talks between unions and BART management have fallen apart, leaving a quarter million commuters scrambling. New figures show that 17 states now have a majority of public school students who are at or below the poverty line, up from just four states a decade ago. President Obama is expected to nominate Pentagon lawyer Jeh Johnson as the nation's new head of Homeland Security, he'd be the first African-American nominated for the position. States are bringing fines and penalties against companies that hire employees and call them contractors in order to avoid playing taxes, insurance, and other benefits. Streaming video giant Netflix has struck a deal with Samsung for access to new cable set top boxes that can deliver video to customers.