U.S. President Barack Obama has now been in office for 167 days, and it's time for a look back. Why 167 days? Why not - it's just as arbitrary a number as the usual "100 days". In that time, President Obama has contended with stimulating the U.S. economy, reshaping U.S. policy abroad, and starting work on domestic issues such as health care reform. As he and his family arrive in Moscow today for an official visit, find here a look back at some of the first 167 days of the Obama administration. ( 38 photos total