David Walker

1 Ethan Nadelmann 2 Jim Cramer 3 David Kamp 4 Judy Woodruff 5 Alex Kuczynski 6 Dinesh D'Souza 7 Richard Clarke 8 Bill O'Reilly 9 Tom Schaller 10 Michael S. Steele 11 Lou Dobbs 12 Mike Wallace 13 Barry Lando 14 Donna Shalala 15 Jed Babbin 16 Chuck Schumer 17 Wendy Kopp 18 Charlie LeDuff 19 Steven Pinker 20 Debra Dickerson 21 Michael Oppenheimer 22 Sheryl WuDunn 23 Lance Armstrong 24 Shashi Tharoor 25 Zev Chafets 26 Craig Venter 27 Nina Jablonski 28 Larry King 29 Ben & Jerry 30 Mark Frauenfelder 31 Michael Specter 32 Ted Koppel 33 Nicholas Kristof 34 Michael Eric Dyson 35 Ed Viesturs 36 Ayaan Hirsi Ali 37 Jerome Groopman 38 Willie Nelson 39 Benjamin Barber 40 Katie Couric 41 Gwen Ifill 42 Madeleine Albright 43 Jabari Asim 44 Clive James 45 Colin Beavan 46 Jeannette Walls 47 Vali Nasr 48 Dr. Richard Land 49 John Kerry 50 Elaine Pagels 51 Paulina Porizkova 52 Sean Penn 53 Russell Simmons 54 Dr. Andrew Weil 55 David Walker 56 Madeleine Bordallo 57 Neil deGrasse Tyson 58 Malcolm Gladwell 59 Gina Kolata 60 Conn Iggulden 61 Richard Preston 62 Nassi Nicholas Taleb 63 Salman Rushdie, Jane Fonda 64 Jann Wenner 65 William Langewiesche 66 Walter Isaacson 67 Howard Dean 68 Randy Kearse, Rep. Tom Delay 69 Jared Diamond 70 John Amaechi 71 Bay Buchanan, Bob Deans 72 Jimmy Wales 73 Rep. Jan Schakowsky, Leon Botstein 74 Jessica Valenti 75 Carl Bernstein 76 Cullen Murphy 77 Dr. Michael D. Gershon 78 Josh Wolf 79 Rep. Ron Paul 80 Daniel B. Smith 81 Toby Keith 82 Anne-Marie Slaughter 83 Will Schwalbe 84 Vincent Bugliosi 85 Tom Hayden 86 David France 87 Tom Blanton, Daniel Gilbert 88 Doug Bailey 89 Richard Florida, Ben Nelson 90 Mark Moffett 91 John Mellencamp 92 Frank Sulloway 93 Simon Schama 94 Anthony D. Romero 95 Charles Kaiser 96 Robert Shrum 97 Evan Osnos 98 Kathleen Kennedy Townsend 99 Michael Beschloss 100 Michael J. Behe 101 Ian Bogost 102 Jim Cramer, Tina Brown 103 Judd Apatow 104 Michael Jacobson 105 Jerry Miller, Spencer Wells 106 Michael Wallis 107 Mike Huckabee 108 Nathan Sawaya 109 Michael Shermer 110 Richard Branson 111 Thomas E. Ricks 112 Bjorn Lomborg 113 Garrison Keillor 114 Joel Klein 115 Ed Begley Jr 116 Susan Sarandon 117 Naomi Wolf 118 Jeffrey Toobin 119 Thomas Friedman 120 John Grisham 121 Tony Bennett 122 David Schwartz 123 Charlie Savage 124 John Mearsheimer 125 Jim Lovell 126 John Kao 127 George Saunders 128 Stephen Colbert 129 Gen. Wesley Clark 130 Chris Jordan 131 Paul Glastris 132 Bob Drogin 133 Garry Kasparov 134 Craig Newmark 135 Richard Berman 136 Craig Venter 137 Col. Lawrence Wilkerson 138 Walter Kirn