Watch CNBC's full interview with MNTN's Mark Douglas

According to a Wall Street Journal report, NBCU's Head of Advertising is poised to become the next CEO of Twitter. This just hours after Elon Musk announced he had hired a new CEO via Twitter. CNBC's Alex Sherman and Mark Douglas, MNTN president and CEO, join 'Last Call' to discuss the what the report could mean for the possible future of the social media company.