March 19, 2009
During his first 50 days in office, Obama launched an effort to overhaul the costly US healthcare system with a summit that drew bipartisan praise from its participants, with the goal of reaching an agreement this year.
Image: First lady Michelle Obama serves food at Miriam's Kitchen in Washington. The kitchen provides meals, case management and housing support to nearly 250 homeless men and women in the city.
Photograph: Jim Young/Reuters