...Krugman offered his sage observations about the inauguration on Twitter on Wednesday. He sent tweets about Janet Yellen, who is Biden’s choice for treasury secretary....After praising the new American king taking his throne as a return to Democrat normalcy, where peace, justice, diversity, and Janet Yellen would reign, the worldly Nobel Laureate, detected a sour note to the proceedings....And like that all-American man he is, Krugman wondered why on earth the band struck up “God Save the King” at the inaugural....