Goldman Sachs CEO David Solomon on Thursday expressed concerns that mounting US government debt will pose more of a problem if the economy does not grow faster.“If we continue on the current course, and we don’t take the growth level up… there will be a reckoning,” Solomon told the Economic Club of Washington.The US national debt recently hit $38 trillion. “I do think over time, this is an issue,” Goldman Sachs CEO David Solomon said Thursday. REUTERS“We should be concerned about this, not sounding an alarm ...