ban tiktok from operating in the u.s. it will block social media companies based in chien be na. senator marco rubio says action is needed to combat the action of tiktok which is a chinese communist company. u.s. department of homeland security is deploying additional agents at the u.s./mexico boardr in el paso, texas. they are concerned about a covid era border policy will expend. currently it allows the u.s. to exexpel migrants. ed lavandera has more. reporter: as the sun fades away over el paso, a large group of migrants stand on the bo border s edge waiting to be processed by agents while a few others tip toa cross a short