There are scads of tributes and mediations out there today about Hitchens, and I’ll list them below. But I recommend starting with the man himself, musing here on the subject of poetry and here, in an excerpt from his autobiography, Hitch-22, dishing on Martin Amis, Ian McEwan, Thomas Pynchon, Margaret Thatcher, and more.
3 Quarks Daily: here, here, here, and here
New York Times
The New Yorker