That entire section of Washington has been declared a construction zone until March 1st. So of course you can't have any protests there. Wouldn't be safe. Except... the so-called Right-to-Life demonstration on the Mall the following week will just go on as planned.
I guess Washington is now only safe for right-wingers and those looking to diminish human rights and social justice.
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
--some loser, probably