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Police officers watch the Oroville Dam's main spillway from a lookout point Tuesday, Feb. 14, 2017, in Oroville, Calif. Crews working around the clock atop the crippled Oroville Dam have made progress repairing the damaged spillway, state officials said Tuesday.

Students and faculties from the Catholic-run St. Scholastica's College dance at their campus to show their declaration against the global issue on violence against women and children Tuesday, Feb.14, 2017 in Manila, Philippines. The annual mass dancing dubbed "One Billion Rising" was also in celebration of Valentine's Day.

Federal Reserve Chair Janet Yellen testifies on Capitol Hill in Washington, Tuesday, Feb. 14, 2017, before the Senate Banking Committee.

President Donald Trump speaks during a meeting with parents and teachers, Tuesday, Feb. 14, 2017, in the Roosevelt Room of the White House in Washington.

In this Monday, Feb. 13, 2017 photo, Zhong Jiye, a co-founder of Shenzhen Trump Industrial Co., points to the logo on one of his firm's high-end Trump-branded toilets at the company's offices in Shenzhen in southern China's Guangdong Province. U.S. President Donald Trump is poised to receive something that he had been trying to get from China for more than a decade: trademark rights to his own name. After suffering rejection after rejection in China's courts, he saw his prospects change dramatically after starting his presidential campaign.

House Intelligence Committee Chairman Rep. Devin Nunes, R-Calif., is questioned by reporters on Capitol Hill in Washington, Tuesday, Feb. 14, 2017, on the ouster of Michael Flynn, President Trump's national security adviser.

Federal Reserve Chair Janet Yellen adjusts her glasses while testifying on Capitol Hill in Washington, Tuesday, Feb. 14, 2017, before the Senate Banking Committee. Yellen said that the central bank still expects to raise interest rates gradually this year. But she said the Fed also recognizes the dangers of waiting too long to tighten credit.

Canada's Phil Brown competes in a parallel race during a team event, at the alpine ski World Championships, in St. Moritz, Switzerland, Tuesday, Feb. 14, 2017.

A child with a head wound walks past a large pile of medical waste at a hospital in the Zahra district of Mosul, Iraq, Tuesday, Feb. 14, 2017. The staff here, who treat people injured by the fight to outs Islamic State militants, say the Iraqi government is offering no help to remove the waste that is steadily piling up.

Toshiba Corp. President Satoshi Tsunakawa listens to a reporter's question during a press conference at the company's headquarters in Tokyo, Tuesday, Feb. 14, 2017. Japanese electronics and energy giant Toshiba said Tuesday that its chairman is resigning to take responsibility for problems that will result in a 713 billion yen ($6.3 billion) loss in its nuclear business. Toshiba warned, however, that unaudited financial results it announced may change "by a wide margin." It earlier delayed reporting its official financial results by a month, citing auditing problems related to the losses in its nuclear business. That sent Toshiba stock tumbling 8 percent in Tokyo trading.

A woman tries to sell roses on Valentine's Day in Cairo, Egypt, Tuesday, Feb. 14, 2017.

A child with severe burns, from scalding water, cries out in pain as a medic cleans his wounds at a hospital in the Zahra neighborhood of Mosul, Iraq, Tuesday, Feb. 14, 2017. Doctors in the small clinic in eastern Mosul say that since the operation to retake the city began months ago, they've only received intermittent deliveries of supplies.

Britain's Kate, the Duchess Of Cambridge, centre, plays a game with RAF Air Cadets, during a visit to RAF Wittering, in Stamford, England, Tuesday, Feb. 14, 2017.