Austin-based Temple-Inland Inc. — the big lumber and financial services company — announced yesterday that one of Carl Icahn‘s investor vehicles — Icahn Partners Masters Fund LP — had requested government approval to buy as much as $1 billion of the company’s stock. The company’s stock price was up a cool 16% on the news. Here are several posts on what Mr. Icahn has been up to over the past year. Here is the Bloomberg News article on the development.