LIVE STREAM: Senate Democrats hold floor over DeVos nomination vote

Decision adds publicity to topic

(CNN) - A vote is expected after an all-night speaking marathon by Democrats on the Senate floor, in a show of opposition to the candidacy of Betsy DeVos.

Watch live above.

She is a wealthy GOP donor who has devoted herself to promoting charter schools and private school vouchers, sparking concerns among educators that she won't be a strong champion for the nation's public school systems.

Read: A closer look at Betsy DeVos

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