Warren launches probe into major banks over Trump Venezuela oil sales

Sen. Elizabeth Warren, D-Mass, and other Democratic senators have spearheaded an investigation into the role major U.S. banks will play in assisting the Trump administration sell Venezuelan oil.  

The inquiry comes after President Donald Trump announced that Venezuela's interim government would hand over up to 50 million barrels of oil to the U.S. and that the oil would be sold "immediately." 

While Trump has said that he would control the proceeds of the sale, the Department of Energy also announced Jan.