article_snippet: U.S. Secretary of State John Kerry, left, listens to Iranian Foreign Minister Mohammad Javad Zarif, right, before resuming talks over Iran's nuclear program in Lausanne, Switzerland on Monday .
article_snippet: John Kerry Iranian Foreign Minister Mohammad Javad Zarif met for nearly five hours in Lausanne, the start of several planned days of discussions.
article_snippet: Most of the Iranians then departed for Brussels, where Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif were to meet with European negotiators.
article_snippet: In Brussels, EU foreign policy chief Federica Mogherini said that 'Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif are entering a crucial time, a crucial two weeks.'
article_snippet: U.S. Secretary of State John Kerry takes a break during a bilateral meeting with Iranian Foreign Minister Mohammad Javad Zarif over Iran's nuclear program . '
highlights_snippet: Iranian diplomats confronted American counterparts twice at discussions Sunday and Monday in Switzerland, a senior U.S. official said .
  Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif to start several days of discussions .
  