This should be an interesting day.

Ahmadinejad likely to stir sanctions debate with address at U.N. nuke summit

Iranian President Mahmoud Ahmadinejad will stir the already stormy debate over sanctions on Iran’s nuclear program when he pops in at the United Nations on Monday to address its nuclear nonproliferation conference.

Ahmadinejad’s sudden intention to attend caught many by surprise, and comes on the heels of the Islamic Republic’s vow last month to formally complain to the U.N. that President Barack Obama was threatening Iran.

Before leaving Tehran on Sunday, Ahmadinejad gave a glimpse into the tone he would likely be taking into the U.N. “We have documents that prove [Washington] is the root of world terrorism,” Ahmadinejad said in a speech Saturday, according to Iran’s Press TV. “It has been aiding and abetting extremist groups over the past years.”