TY - DATA AU - Brannon,Valerie C. ED - Library of Congress. TI - Update: sidewalks, streets, and tweets: is twitter a public forum? T2 - LSB PY - 2018///- CY - [Washington, D.C.] PB - Congressional Research Service KW - United States KW - Constitution KW - 1st Amendment KW - Twitter KW - Freedom of speech KW - Social media KW - Political aspects KW - Law and legislation N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; GPO Cataloging Record Distribution Program (CRDP) UR - https://purl.fdlp.gov/GPO/gpo131118 ER -