Lawmakers' Phones Ring off the Hook Over Trump's Education Pick, Betsy DeVos

— -- ABC News’ Mary Bruce talked to Sen. Bob Casey, D-Pa., about the high level of grass-roots activism around the nomination of Betsy DeVos for secretary of education.

Casey received over 1,200 calls related to DeVos on Friday alone, according to his staffers. They said constituent engagement is up across the board, especially in opposition to her nomination. The senator has been working the phones, helping his staff respond to the uptick in calls.

President Trump’s pick to lead the Department of Education has come under fire, with critics pointing to her lack of experience in public schools and controversial policy proposals.

Casey and all other Democrats in the Senate have vowed to vote against her. They spoke out against her nomination from Monday through Tuesday morning on the Senate floor and continue to encourage people to call and write to their Republican colleagues on the issue.