DigitalThe Ticker: MDC CEO Resigns; Toshiba CEO Resigns; Ashley Madison Caves; and MoreA roundup of the morning's news.By Patrick Coffee|July 21, 2015ShareBy Patrick Coffee|July 21, 2015ShareAdweek: MDC Founder Nadal Quits Amid SEC InvestigationThe Wall Street Journal: Toshiba CEO Felled by Accounting ScandalTIME: Ashley Madison Already Caved to Hackers’ DemandsBrand Channel: Coca-Cola Asks for Independent Commission to Oversee FIFAFortune: Gawker, Reddit Learn a Similar Lesson: Growing Up Is Hard Adweek Adweek