Earlier this month, a company called Tricolor abruptly filed for bankruptcy. The Texas-based firm offered auto loans to buyers with poor (or no) credit ratings. That so-called “subprime” auto market has grown to $80 billion. But Tricolor's collapse could make it harder for some buyers to get car loans. We hear more. Plus, President Donald Trump unveils a new batch of tariffs, and D.C. braces for more economic pain ahead of a looming shutdown.