House Rep. Katie Porter (D-CA) isn't part of "the squad."<br />That's the four-woman group of freshman progressives of color who were attacked this week by President Donald Trump.<br />But according to CNN, that doesn't mean she's not a thorn in Trump's side.<br />Porter has emerged as a viral star when it comes to how banks and the government treat the working poor.<br />She's also a whiz at puncturing Trump's claims about the economy, and has asked top officials do basic math under oath. <br />