WASHINGTON, Jan. 11 -- US Senator Kamala Harris is expected to announce her candidacy for the 2020 White House race on or after January 21, which is observed as Martin Luther King Day.

Kamala, who is of mixed African-American and Indian-American origin, had indicated earlier she would decide about the run during the holidays. Though she hasn't yet decided, she is widely expected to do so and her ongoing tour to promote her new book, The Truths We Hold: An American Journey, is adding to the speculation. She has been reportedly putting together the logistics of the campaign such as selecting a site for her announcement, the headquarters and the personnel.

The San Francisco Chronicle reported on Wednesday, citing sources, that the California...