Trump pledges asylum crackdown, tent cities; is it legal?

  • Erlin Troches, a 43-year-old Honduran migrant from the city of Santa Barbara, carries an image of the Virgin of Guadalupe that was given to him by a priest in southern Mexico, as he walks along with a thousands-strong caravan of Central Americans hoping to reach the U.S. border moves, outside Juchitan, Oaxaca state, Mexico, Thursday, Nov. 1, 2018. Troches plans to carry the religious icon with him on the entire journey, saying she symbolizes “trust, faith, and hope” that he will make it to the U.S. border. (AP Photo/Rebecca Blackwell)

  • President Donald Trump talks about immigration and border security from the Roosevelt Room of the White House in Washington, Thursday, Nov. 1, 2018. (AP Photo/Susan Walsh)

WASHINGTON — President Donald Trump said Thursday he plans to sign an order next week that could lead to the large-scale detention of migrants crossing the southern border and bar anyone caught crossing illegally from claiming asylum — two legally dubious proposals that mark his latest election-season barrage against illegal immigration.