Marathon Iran Talks Progress Without Solutions

U.S. Secretary of State John Kerry looks over papers in the courtyard of the Beau Rivage Palace Hotel after an extended round of talks on Iran's nuclear program, in Lausanne, April 2, 2015.

A man walks a dog past a police vehicle near the Beau Rivage Palace Hotel in Lausanne, April 2, 2015,.

Police remove a protester near the Beau Rivage Palace Hotel where an extended round of talks on Iran's nuclear program is taking place, in Lausanne, April 2, 2015.

U.S. President Barack Obama (left) receives an Iran negotiations update in the White House Situation Room from Secretary of State John Kerry, Washington, April 1, 2015.

A car bomb explodes next to Iraqi special forces armored vehicles as they advance toward Islamic State held territory in Mosul.

Police guard the Beau Rivage Palace Hotel during an extended round of talks on Iran's nuclear negotiations, in Lausanne, Switzerland, April 1, 2015.

Russian journalists play a game of chess in the Beau Rivage Palace Hotel courtyard in Lausanne, Switzerland, April 1, 2015.