The White House pool reporter says an unnamed official claims President Obama offered to have an "encounter" with his Iranian counterpart, but was turned down: Senior administration officials came to pool hold around 2:45pm to say that the White House had offered to have "an encounter" on the sidelines of UNGA with Iranian President Rouhani, but the Iranians informed the US today that it is "too complicated for Iranians to do at this point."
