The three-city exhibition of Jackson memorabilia could be derailed, as relations between Jackson's mother, the men Jackson named as executors of his will and the promoter of his planned comeback concerts have been challenging.

CNN: Michael Jackson will be buried on his 51st birthday

Some of the giant firms find it tricky to forge relations with foreign governments, because managers shift between postings every three or four years.

ECONOMIST: Small oil firms

At a point when relations between the news organizations and WikiLeaks were rocky, at least three people associated with this project had inexplicable activity in their e-mail that suggested someone was hacking into their accounts.

FORBES: NYTimes Editor: Reporters Covering WikiLeaks Had Email Hacked