Hollywood actor Tom Cruise is planning to eat his new baby's placenta, it emerged today.It is the latest in a series of unusual revelations by the 43-year-old Mission Impossible star about the child he is expecting with fiancee Katie Holmes. He told GQ magazine: "I'm gonna eat the placenta. I thought that would be good. Very nutritious. I'm gonna eat the cord and the placenta right there." Cruise has also claimed he knew actress Holmes, 27, was pregnant, even before she told him. A follower of Scientology, he has defended the religion's belief that women should give birth in silence....