Des Moines Register: Congress cannot wait for the economy to recover to enact reductions in greenhouse gas emissions, according to an Iowa congressman positioned to play a significant role in addressing the issue. “We have ignored this problem for far too long,” said Rep. Bruce Braley, a Democrat who was recently awarded a seat on the House Energy and Commerce Committee. “It’s time to start working.” Business groups warn that imposing limits on emissions will drive up energy costs at a time when …