Chris Arnold

Updated at 5:53 p.m. ET

The Consumer Financial Protection Bureau was created after the financial crisis to protect Americans from being ripped off by financial firms.

Now, President Trump's interim appointee to run the bureau, Mick Mulvaney, is making radical changes to deter the agency from aggressively pursuing its mission.

With lawmakers in the House and Senate announcing that they've reached a deal, affordable housing advocates are anxiously waiting to see which version of the bill wins out with regard to housing. They say the House bill has a poison pill in it.

"The effect would be devastating," says Diane Yentel, president of the National Low Income Housing Coalition. "It would mean a loss of around 800,000 affordable rental homes over the next 10 years."