Today in Chicago, day two of the teachers' strike begins. The city and the teachers union failed to agree on a new contract, and around 30,000 educators are on strike. It's a rocky second day for another big organization: After a seven-year effort to open a part of the Arctic Ocean to oil drilling, Shell Oil has already hit a snag. And Apple is expected to unveil the new iPhone 5 at a huge press conference tomorrow in San Francisco. Of course, no one pitched a new product like Steve Jobs -- but what does it take to make a great pitch?

August's unemployment numbers are out today. Next week, all eyes turn to the Fed, which will detail its next big move, small move, or… no move. A University of Chicago study shows grandparents are giving more financial support and providing more babysitting help in recent years. The San Antonio school district started making its lunches healthier with a goal of fighting obesity -- and it's making money. And when it comes to home insurance, read the fine print.

Nokia unveils new smartphone today, loaded with Microsoft's new operating system. U.S. productivity rose last quarter. Next Monday, Chicago public school teachers may vote to walk off the job, marking the first big strike since 2006. FedEx downgrades its quarterly earnings. We look into the marketing of high school athletes. And China ponders the need for a stimulus package.

A big week for the European Debt Crisis starts off with some not-so-great news: manufacturing in the region fell last month for the 13th straight month. There are going to be a lot of people on the highways today heading home from Labor Day weekend festivities. And they'll be spending a little more on gas than they did a year ago, but how do our gas prices stack up globally? And the drug company Pfizer is getting ready to sell shares of its animal health business Zoetis -- which distributes medicines for pets and livestock -- to the public.