New York Times: The Obama administration moved vigorously on two fronts Friday to promote nuclear power, proposing a tripling of federal loan guarantees for new projects and appointing a high-level commission to study what to do with nuclear waste. Administration officials confirmed that their 2011 federal budget request next week would raise potential loan guarantees for the projects to more than $54 billion, from $18.5 billion. A new Energy Department panel will examine a vastly expanded list of …