WASHINGTON—The top federal prosecutor for the District of Columbia said on Jan. 7 that 55 cases have been charged within 36 hours related mostly to the breach of the U.S. Capitol during the protests in Washington this week. Of those cases, 40 have been filed in the D.C. Superior Court, which includes eight firearm cases, according to Michael Sherwin, acting U.S. attorney for the District of Columbia. In addition, prosecutors plan to file 15 criminal cases in the federal court by the end of Jan. 7 for crimes including unauthorized access to the Capitol and the Capitol grounds, holding firearms, and theft of property, Sherwin told reporters. Protesters stormed the Capitol on Jan. 6, interrupting a joint session of Congress that was held to count electoral votes. A man was arrested by federal agents “with a military semi-automatic rifle and 11 Molotov cocktails that were ready to go,” Sherwin said. “We …