Day 258: Facebook whistleblower set to testify on Capitol Hill

<p>A Facebook whistleblower set to testify to a Senate panel says the company put profits over safety as the social media giant experiences an hours long outage. Plus, the president and Congress are still at odds over his agenda as Democrats and Republicans trade shots over the debt limit. We're joined by Philip Rucker, Kara Swisher, A.B. Stoddard, Cornell Belcher, Al Franken, Susan Del Percio, and Dr. Céline Gounder.</p>