Micro economists need to understand macro, ...

if only to "feed" their forecasts.  Calculated Risk has a nice series on the big questions of 2011:

• Question #1 for 2011: House Prices 
• Question #2 for 2011: Residential Investment
• Question #3 for 2011: Delinquencies and Distressed house sales
• Question #4 for 2011: U.S. Economic Growth
• Question #5 for 2011: Employment 
• Question #6 for 2011: Unemployment Rate
• Question #7 for 2011: State and Local Governments
• Question #8 for 2011: Europe and the Euro
• Question #9 for 2011: Inflation
• Question #10 for 2011: Monetary Policy