Laura Rozen has the goods.
An invite from Sen. John Kerry initially spurred his trip down - sort of a second "introduction to Washington" type of trip for the UN chief who was pushed for the job by the Bush administration.
Ban Ki-moon pushed hard subsequently for a personal meeting with Obama, which was granted. He's also meeting Secretary of State Hillary Clinton. Senate Foreign Relations Committee members also have a private, members-only coffee scheduled with the UN chief. Issues on the agenda are expected to include Iran, climate change, Sudan/Bashir/ICC peacekeeping and human rights council/Durban Review.UN News Center has more.