Summary: <p>Ukraine announces a deal to end the violent political crisis there. Ukraine's President Viktor Yanukovych says he would call early presidential elections and form a coalition government, but some protestors say this is not enough. Venezuela arrests an opposition leader and expels three U.S. diplomats while six protesters are killed in demonstrations. Iran agrees to a framework for negotiations on its nuclear program. A U.N. panel says the leader of North Korea could face charges of crimes against humanity. And President Obama attends a trade summit in Mexico. A panel of journalists joins Diane for analysis of the week's top international news stories.</p>
