This entry is cross-posted on the Business Desk, where business and economics correspondent Paul Solman answers your questions on economic news. Follow Paul on Twitter. Question: First of all, thank you for the articles on the 99ers. We…

It's official now: With the midterms fast approaching, President Obama's economic team is turning over. The latest departure: Larry Summers, the president's chief adviser on economic matters and director of the National Economic Council, who announced Tuesday afternoon that…