Some of the hosts of Schumer's events, including D.C. bookstore Politics and Prose and Baltimore's Enoch Pratt Free Library, also individually cited security concerns for the cancellation. ????? ???????  

A spokesperson for Schumer's book tour told ABC News that "due to security concerns, Senator Schumer's book events are being rescheduled." ????????????  

Schumer had events planned in Baltimore, New York City and Washington, D.C., this week. Protests were planned outside of all three events. ?????  

Many Democrats, including progressives, had wanted him to vote against the bill and to more strongly protest against President Donald Trump's and congressional Republicans' agendas. ????? ???????

Schumer, promoting his new book "Antisemitism in America: A Warning," faced backlash over voting for the House-approved government funding bill that averted a shutdown on Friday. With Democrats' help, the Senate passed the stopgap bill hours before funding was set to lapse. ????????????