LOS ANGELES—The Port of Los Angeles announced Nov. 18 and cargo volume this year has been 22 percent higher than at this time in 2020. “Amid the array of challenges facing the supply chain, we continue to deliver more cargo than ever,” Port of Los Angeles Executive Director Gene Seroka said. “The National Retail Federation is forecasting a record holiday season as many outlets such as Walmart, Target, and Home Depot report strong sales. “In recent weeks, clearing our docks of imports and empties has been a top priority. As a result, we’ve seen a marked improvement of fluidity on our marine terminals, which allows more vessels to be processed.” The San Pedro Port Complex has experienced a backlog of container vessels in recent weeks, prompting involvement from the state and the White House to attempt to mitigate the supply chain disruptions. Seroka said that since Oct. 24, there’s been …