The new nuclear deal with Iran has managed to rile up some in the U.S. and abroad. With the disapproval of Israeli Prime Minister Benjamin Netanyahu and politicians alike, the new deal leaves questions in its wake. Reporters break down the deal's future implications. Plus, a report on the staggering political fundraising that will impact the race to 2016.

Fiscal cliff negotiations between Congress and the White House have reached a standstill as both sides clash over spending cuts and tax increases. Also, the potential nomination of Susan Rice to succeed Hillary Clinton as Secretary of State has left Obama and Republicans at a political stalemate.  Joining Gwen: Gloria Borger, CNN; Michael Viqueira, NBC News; Susan Davis, USA Today.

The State Department expelled three Venezuelan officials from the U.S. after President Nicolas Maduro ordered three American diplomats leave his country. Now Maduro is proposing a new Venezuelan ambassador to the U.S. after years without an official representative. Meanwhile, 15 people have died in recent street clashes between protesters and police. Gwen Ifill talks to Girish Gupta of Reuters.

Russian Prime Minister Dmitry Medvedev promised increased money for infrastructure and higher pensions and salaries during a visit to Crimea. Meanwhile, Russia withdrew one battalion from the border region, but Secretary of State John Kerry insisted that the U.S. is looking for more. Chief foreign correspondent Margaret Warner joins Gwen Ifill for an update after a reporting trip to Ukraine.

Chief foreign correspondent Margaret Warner joins Gwen Ifill to analyze the involvement and guidance coming from the U.S., as the Ukrainian military attempts to reclaim territory in the eastern part of the country. They also discuss the upcoming diplomacy talks in Geneva between Secretary of State John Kerry and other officials from Russia, Ukraine and the European Union.

Secretary of State John Kerry weighs in on the U.S. response to the crisis in Ukraine, a terror resurgence in North Africa, the long, bloody war in Syria and a Mideast peace process that ground to a halt just a few weeks ago. He joins Gwen Ifill for an extended interview on current foreign policy challenges and why he thinks President Obama doesn’t get sufficient credit for successes.

On the Webcast Extra, former Massachusetts Sen. Scott Brown has recently relocated to New Hampshire is planning a challenge to incumbent Sen. Jean Shaheen. After six hours of meetings with his Russian counterpart Sergei Lavrov, Secretary of State John Kerry's relationship is dissected by Bloomberg's Indira Lakshamanan. And an aid package for Ukraine has stalled in Congress.