Horace Greeley
Grant years

In 1868, Whitelaw Reid joined the Tribune 's staff as managing editor. In Reid, Greeley found a reliable second-in-command. Also on the Tribune's staff in the late 1860s was Mark Twain. Henry George sometimes contributed pieces, as did Bret Harte. In 1870, John Hay joined the staff as an editorial writer. Greeley soon pronounced Hay the most brilliant at that craft ever to write for the Tribune.

Greeley maintained his interest in associationism. Beginning in 1869, he was heavily involved in an attempt to found the Union Colony of Colorado, a utopia on the prairie, in a scheme led by Nathan Meeker. The new town of Greeley, Colorado Territory was named after him. He served as treasurer and lent Meeker money to keep the colony afloat. In 1871, Greeley published a book What I Know About Farming, based on his childhood experience and that from his country home in Chappaqua.

Greeley continued to seek political office, running for state comptroller in 1869 and the House of Representatives in 1870, losing both times. In 1870, President Grant offered Greeley the post of minister to Santo Domingo (today, the Dominican Republic), which he declined.
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