Deal for Baltimore Sun may be off as Maryland businessman looks to buy all of Tribune Publishing

He and his spouse, Sandy Bainum, a singer and actress, joined the Giving Pledge, a marketing campaign in search of commitments by the world’s wealthiest folks to contribute most of their wealth to philanthropic causes. Others who’ve made the pledge embody Fb’s Mark Zuckerberg and his spouse, Priscilla Chan, Elon Musk, Michael Bloomberg, CNN founder Ted Turner, and, notably, Patrick Quickly-Shiong, who acquired the Los Angeles Occasions and San Diego Union-Tribune from Tribune Publishing for $500 million in 2018.