LOS ANGELES, Calif.—The Los Angeles and Long Beach ports located in the San Pedro Bay are expected to remain backlogged until at least next summer due to a record number of container ships arriving, negatively impacting the global supply chain. The two ports, with cargo that passes through its docks reaching all 435 congressional districts, is expected to accept a whopping 20 million container units this year—a 16 percent increase over the 17.5 million it took in 2020 and 16 million in 2019. Currently, there are 63 container ships anchored in the bay waiting to berth, a slight decrease from the record number of 73 anchored ships last week although still far beyond what is usual. The 63 ships at anchorage are carrying at least 750,000 container units among them. The uptick in ships at the port was first noticed back in July 2020, when manufacturing in Asia began to …