At a press briefing on the southern border, Sec. Alejandro Mayorkas said that "we are encountering an unprecedented number of migrants" crossing ports of entry, and blamed the surge in part on former President Trump and the COVID-19 pandemic. Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes: http://forbes.com