My impression of article "Summers, Obama’s Top Economic Aide, Is Set to Leave"

The reason I chose this article to read is that changes of Mr. Obama's top-level advisors may lead a significant ecnomic warm-up at the end of this year. WASHINGTON — The White House said Tuesday that Lawrence H Summers, the chief architect of president's economic policy, would leave at the end of the year, continuing an exodus of top-level advisers at a time when voters are expressing deep dissatisfaction with the president’s stewardship of the economy. Some people shot at Summers's career as an academic. Though, i'm not a economist even not have qualification to criticise what he did was wrong. But, depending on the circumstance of U.S economy at the present we can judge how weakness the policy is now. So, the decision of changing the top-level advisors may bring some strength to U.S economy. At least i'm expecting that