Paul Krugman, Dr. Michio Kaku

1 Erick Erickson 2 Riley Crane 3 Capt. Charles Moore 4 James Fowler 5 Mon, Jan 11, 2010 6 Raj Patel 7 Wed, Jan 13, 2010 8 Thu, Jan 14, 2010 9 Emily Pilloton 10 Stephen Bosworth 11 Dick Ebersol 12 John Farmer 13 Kati Marton 14 Mika Brzezinski 15 Arthur Benjamin 16 David Gergen 17 Nicole Detling Miller, Jessica Smith, Harold Ford Jr. 18 Eliot Spitzer 19 Peter Cove, John Durant 20 Henry Louis Gates 21 Jonathan Safran Foer 22 George Stephanopoulos 23 Claire Danes 24 Al Michaels, David Ross 25 Shaun White 26 Lindsey Vonn, Bob Costas 27 Scott Hamilton, Jeret Peterson, Ryan St. Onge 28 Shani Davis, Seth Wescott 29 Don Cheadle 30 David Brooks 31 Scheherazade Rehman, Garry Wills 32 Barry Schwartz 33 Tom Hanks 34 Annie Leonard 35 Sean Carroll 36 David Aaronovitch 37 Robert Baer 38 Rebecca Skloot 39 Nell Irvin Painter 40 Mary Matalin 41 Claire McCaskill 42 Simon Johnson 43 Craig Mullaney 44 David Frum, Judith Shulevitz 45 Dean Kamen 46 Reverend Al Sharpton 47 David Simon 48 Neil DeGrasse Tyson 49 Jeffrey Toobin, Julian Assange 50 Jon Mooallem 51 David Shields 52 Aimee Mullins 53 Andrew Ross Sorkin, George Will 54 Jeffrey Katzenberg 55 Craig Robinson 56 Gorillaz 57 Sharon Jones and the Dap-Kings 58 Conn Iggulden 59 Gregg Easterbrook 60 OK Go 61 Elizabeth Warren 62 Michael J. Fox, Mark W. Moffett 63 David Isay 64 Stewart Brand 65 Gary Johnson 66 Hampton Sides 67 Deepak Chopra 68 The Hold Steady 69 Ayaan Hirsi Ali 70 Lisa Miller 71 Vampire Weekend 72 James Carville, Jonathan Alter 73 Mark Frauenfelder 74 Amb. Michael Oren, Sen. Sam Nunn 75 Alan Bean 76 Stephen Prothero 77 Dr. Carl Safina 78 Devo 79 David Mamet 80 Wes Moore 81 Gloria Steinem 82 Tim Westergren 83 Michael Specter 84 Michael Hastings, John Waters 85 Mayor Julian Castro 86 Nicholas Carr 87 Manny Howard 88 Paul Krugman, Dr. Michio Kaku 89 Garret Keizer 90 Steve Carell 91 Arturo Rodriguez 92 Hephzibah Anderson 93 Thomas S. Blanton, Kevin Kline 94 Elon Musk 95 Andy Cohen 96 Jimmy Cliff 97 Laura Ingraham 98 Michael Posner 99 Savion Glover 100 Dylan Ratigan 101 David Finkel 102 Chuck Close 103 Richard Clarke, John Fetterman 104 Barry Levine 105 Thomas French 106 Jon Krakauer 107 Leslie Kean 108 Jeffrey Goldberg 109 Andrew Hacker, Heidi Cullen 110 Richard Engel 111 Anthony Romero 112 Vice President Joe Biden, Gen. Raymond Odierno 113 Sen. Jim Webb, Joshua Bleill, Lt. Col. Brent Cummings, John Legend 114 Lisa Birnbach 115 Sean Wilentz 116 Saul Griffith 117 Lawrence O'Donnell 118 Pavement 119 Eric Schmidt 120 Guillermo Del Toro 121 Oscar Goodman 122 Ken Burns 123 Paul Begala, Ross Douthat 124 Steve Rattner 125 Aaron Sorkin 126 Eugene Robinson 127 Leon Botstein 128 Mavis Staples and Jeff Tweedy 129 Davis Guggenheim 130 Robert Reich 131 Brendan Steinhauser 132 Austan Goolsbee 133 Bill Bryson 134 Nicholas Negroponte 135 Garry Wills 136 Rep. Tom Perriello, Apolo Anton Ohno 137 Maira Kalman 138 Jonathan Alter 139 Katrina vanden Heuvel, David Frum 140 Doris Kearns Goodwin 141 Elvis Costello 142 Reza Aslan 143 Cee-Lo Green 144 Martha Stewart 145 Quincy Jones 146 David Stern 147 John Legend 148 Ian Frazier 149 Staff Sgt. Salvatore Giunta 150 Dan Savage 151 Tom Vilsack 152 Michelle Rhee 153 David Stockman 154 Garry Trudeau 155 Julie Nixon Eisenhower & David Eisenhower 156 Steve Martin 157 Julie Taymor 158 Patti Smith 159 David Boies, Stephen Sondheim 160 Omar Wasow, Laird Hamilton 161 Amy Sedaris, Paul Simon