Four days after ex-President Donald Trump posted $91.6 million bond for the second defamation case he lost to veteran journalist E. Jean Carroll, author and Syracuse University College of Law Professor David Cay Johnston is sounding the alarm on the “national security nightmare” of the bond agreement. In a Tuesday, March 12 MSNBC op-ed, Johnston notes that “the someone Trump owes” for the nearly $1 billion bond is “Chubb, a giant Swiss insurance company that operates in 54 countries. Chubb owns three insurance companies in Russia.” The longtime investigative reporter emphasizes, “I call owing …