A Texas congressman says some border officials estimate about 50,000 migrants could be waiting to cross into the U.S. when restrictions are lifted.

Dec.15 -- Bloomberg's William Turton reports on the latest key developments in the hack of SolarWinds Corp., which is the epicenter of the most sprawling cyber-attack in recent memory. He speaks on "What'd You Miss?"

Former U.S. Homeland Security Secretary Jeh Johnson discusses the New York City subway attack and homeland security. He speaks with David Westin on Bloomberg's "Balance of Power."

The U.S. will reportedly help develop an asylum system in El Salvador, a country with one of the highest murder rates in the world.

1.Overlayed graphic of George W. Bush

2. SOUNDBITE (English) George W. Bush, United States Presid
ent:
"This week, the independent commission on the September the 11th attacks issued its final report. I...