View of the Facebook homepage taken in Washington on May 6, 2012. Facebook, already assured of becoming one of the most valuable US firms when it goes public later this month, now must convince investors in the next two weeks that it is worth all the hype. Top executives at the world's leading social network have kicked off their all-important road show on Wall Street -- an intense marketing drive ahead of the company's expected trading launch on the tech-heavy Nasdaq on May 18. AFP PHOTO/Nicholas KAMM
クレジット: NICHOLAS KAMM
Danielle Gross casts his fishing line into the Potomac River as emissions spew out of a large stack nearby at the coal-fired Morgantown Generating Station June 29, 2015 in Newburg, Maryland. Today the U.S. Supreme Court ruled against the Environmental Protection Agency's (EPA) effort to limit certain power plant emissions -- saying the agency 'unreasonably' failed to consider the cost of the regulations.
クレジット: Mark Wilson
Republican presidential candidate and former Florida Gov. Jeb Bush answers questions from employees of Nephron Pharmaceutical Company June 29, 2015 in West Columbia, South Carolina. Before talking with the employees of the Orlando, Florida based company Bush took a tour of the facility in West Columbia, South Carolina.
クレジット: Sean Rayford
U.S. President Barack Obama (R) and President of Brazil Dilma Rousseff (2-R) visit the Martin Luther King Jr. Memorial, with National Park Service National Mall Superintendent Karen Laura Cucurullo (2-L), June 29, 2015 in Washington DC. Rousseff visits Washington DC for the first time since she became president in 2011.
Demonstrators during a rally in Athens, Greece, 29 June 2015. Greek voters will decide in a referendum next Sunday on whether their government should accept an economic reform package put forth by Greece's creditor. Greece has imposed capital controls with the banks being closed untill the referendum.
クレジット: Milos Bicanski
King Felipe VI of Spain gives a speech during a state dinner given by Mexican President Enrique Peña Nieto and his wife First Lady Angelica Rivera at National Palace on June 29, 2015 in Mexico City, Mexico. The Spanish Monarchs are in their second state visit since the proclamation of Felipe VI as Spanish King last June 19th of 2014.
クレジット: Manuel Velasquez/STR
Queen Letizia (L) and King Felipe VI (R) of Spain attend a dinner given by Mexican President Enrique Peña Nieto and his wife First Lady Angelica Rivera at National Palace on June 29, 2015 in Mexico City, Mexico. The Spanish Monarchs are in their second state visit since the proclamation of Felipe VI as Spanish King last June 19th of 2014.