"A dashing young orator during the Great Famine of the 1840s, in which a million of his Irish countrymen died, Thomas Francis Meagher led a failed uprising against British rule, for which he was banished to a Tasmanian prison colony. He escaped and six months later was heralded in the streets of New York--the revolutionary hero, back from the dead, at the dawn of the great Irish immigration to America. Meagher's rebirth in America included his leading...