Alvin Brown was appointed as the vice chair of the National Transportation Safety Board by President Joe Biden late last year.

The removal of the vice chair of the independent safety board is highly unusual and comes as the agency is investigating several high-profile calamities.

The White House confirmed Biden-era vice chair of the National Transportation Safety Board was removed from the role.

Columbia University is laying off nearly 180 employees after the Trump administration cut more than $400 million in funding.

Those receiving non-renewal or termination notices represent about 20% of the employees funded by the terminated federal grants.

University officials say they’re working to get the funding restored, but one professor said it will take years to undo the damage already inflicted.

Federal Reserve Chair Jerome Powell won’t cut interest rates Wednesday, but he might sometime soon. No matter what, he’s in a no-win situation. It’s not just that President Donald Trump’s tariffs run the risk of both slowing growth and raising prices,

This report is part of a series looking at how President Donald Trump has used the power of his office in his second term to challenge the boundaries the legal system puts on presidential actions. President Donald Trump first used the power of the White House against a law firm in February,

Since taking office in January, President Trump has signed a slew of executive orders targeting several of the nation's top law firms perceived to be adversaries of the administration. CBS News Department of Justice reporter Jake Rosen has more.