Inter Press Service: President Barack Obama doubled down on a new push for infrastructure investment in a major speech Friday, highlighting roads, ports and bridges that many say have suffered from decades of insufficient upkeep. When the American Society of [Civil] Engineers put out their 2013 report card on our national infrastructure, they gave it the best overall grade in 12 years the bad news is we went from a D to a D+, President Obama said, speaking at a port in Miami. We still have all kinds of deferred...