Former Vice President Kamala Harris plans to use a high-profile speech Wednesday to sharply criticise President Donald Trump amid speculation about whether she will mount another presidential campaign or opt to run for California governor.

Harris will address the 20th anniversary gala for Emerge America, an organization that recruits and trains Democratic women to run for office that grew in part from Harris’ run for San Francisco district attorney in the early 2000s, according to AP.

Her speech comes the day after Trump reached 100 days in office. It is expected to be her most extensive public remarks since leaving office in January following her defeat to Trump, with planned critiques of the Republican president's handling of the economy, US institutions and foreign policy.

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Harris is ramping up her public presence as Democrats nationally search for a path forward after November's election, in which Republicans also won control of Congress. While a slate of high-profile Democrats — from governors to businessmen — seek leadership roles within the party, the former vice president retains unique influence and would reshape any future race she chooses to enter.

Harris, a former state attorney general and US senator from California, has not discouraged speculation that she might enter the race to replace term-limited Gov. Gavin Newsom, himself a potential contender for president. And she has not ruled out another run for the White House.

She continues to fundraise, using a joint committee that includes Harris for President, the Democratic National Committee and state Democratic parties. The committee, the Harris Victory Fund, reported having about $4.5 million on hand at the end of March, according to federal records.