It’s a matter of fact that between 1840 and 1882 there were eight assassination attempts on the life of Queen Victoria, but in his suspenseful novel “The Darwin Affair,” Tim Mason adds a ninth, in 1860, and makes the target Prince Albert. The date is important: it’s just months after the publication of Charles Darwin’s “On the Origin of Species” and concomitant with the Oxford University Museum debate on evolution featuring those famous antagonists – biologist and anthropologist Thomas Huxley