The Department of Homeland Security Secretary Alejandro Mayorkas is pushing back against Republican critics who say he is failing to manage the border. Subscribe to 5NEWS for exclusive content: https://www.youtube.com/c/5news?sub_confirmation=1 Follow 5NEWS: Facebook: https://www.facebook.com/5news Twitter: https://twitter.com/5NEWS Instagram: https://instagram.com/5newsonline Website: https://www.5newsonline.com 5NEWS (Channel 5) is a CBS-affiliated television station covering the Arkansas River Valley and Northwest Arkansas. The station was first established in 1953 in Fort Smith, Ark.