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Marcio Jose Sanchez, Associated Press
Hillary Rodham Clinton smiles during a keynote address at the Watermark Silicon Valley Conference for Women, Tuesday, Feb. 24, 2015, in Santa Clara, Calif.

SAN FRANCISCO — Hillary Rodham Clinton is not yet an official candidate for president, but she's already trying to seize the mantle of problem-solver in a nation fed up with government dysfunction.

Republicans are ready to remind Clinton and voters alike of her past warnings of a "vast right-wing conspiracy."

In her first speech in the U.S. this year, Clinton this week offered plenty of hints about her likely campaign messages.

Among the themes: raising wages for workers who have yet to benefit from the nation's economic recovery, and rebuilding trust and cooperation in government.