People with 5+ followers on C-Span

Barack Obama, Jon Stewart, Bill Clinton, Hillary Rodham Clinton, Elizabeth Warren, Noam Chomsky, mRachel Maddow, Cornel West, Bill Moyers, Brian Lamb, W. "Mitt" Mitt Romney, Stephen Colbert, Jimmy Carter, Paul R. Krugman, Franklin D. Roosevelt, Melissa V. Harris-Perry, Bernard "Bernie" Sanders, Ronald "Ron" Paul, Fareed Zakaria, Charlie Rose, Ben S. Bernanke, David Brooks, Colin L. Powell, James Carville, Christopher Hitchens, Ronald Reagan, Douglas G. Brinkley, Christopher Hayes, Niall Ferguson, Milton Friedman, Zbigniew Brzezinski, Amy Goodman, Condoleezza Rice, Lyndon Baines Johnson, Ken Burns, Joseph "Joe" R. Biden, Michael Eric Dyson, Barney Frank, Warren E. Buffett, George W. Bush, Bill Gates, Marco Rubio, Al Sharpton, Robert B. Reich, Paul Ryan, Rand Paul, Al Franken, Van Jones, Russell "Russ" Feingold, Bob Woodward, Albert "Al" Gore, Gore Vidal, Elizabeth II, George Soros, Gwen Ifill, Frank I. Luntz, Jim Lehrer, Ted Koppel, Nancy Pelosi, Debbie Wasserman Schultz, Michelle Obama, Howard Zinn, Newton "Newt" Leroy Gingrich, Ruth Bader Ginsburg, Chris Matthews, Benjamin Netanyahu, Carl Sagan, Eric H. Holder, Richard Dawkins, John A. Boehner, John F. Kerry, Dennis Kucinich, Allen B. West, Susan Swain, Henry A. Kissinger, Jesse Jackson, Nouriel Roubini, Libby Casey, Harry Reid, Jon M. Huntsman, Timothy F. Geithner, Joseph E. Stiglitz, Thomas L. Friedman, Maxine Waters, David Halberstam, Richard Norton Smith, Christine Lagarde, Ann Coulter, Sherrod Brown, John S. McCain, Leon E. Panetta, Richard "Dick" J. Durbin, Tavis Smiley, Andrew Ross Sorkin, Jeffrey Toobin, Naomi Klein, Seymour M. Hersh, Garry Trudeau, Khalil Gibran Muhammad, David Frum, Andrew Sullivan, Charles E. Schumer, William Kristol, Grover Norquist, Erskine Bowles, Sarah Palin, Lawrence Lessig, Diane Rehm, Paul E. Begala, Slavoj Zizek, Malcolm Gladwell, Thomas Sowell, Dick Cavett, Kathleen Sebelius, Charles Krauthammer, Alan K. Simpson, Thomas Frank, David Eisenhower, Howard Stendahl, Rosa Parks, Mark R. Warner, Richard N. Haass, Ross Douthat, Sonia Sotomayor, Christopher Christie, Steve "Malcolm" Forbes, George Will, Robert "Bob" M. Gates, Sonia Sanchez, Robert J. Shiller, Herman Cain, Stephen King, John F. Kennedy, Peter Slen, Martin E. Dempsey, David Cameron, Barbara Boxer, Charles B. Rangel, Alan Greenspan, Alice Walker, Tony Blair, Desmond Tutu, Charles W. Colson, George Carlin, Lindsey Graham, Reihan Salam, Patrick J. Leahy, Scott Walker, John Lewis, Chris Hedges, Susan E. Rice, Richard A. Epstein, Mahmoud Ahmadinejad, Esther Armah, Michael R. Beschloss, Ken Auletta, Randall L. Kennedy, Angela Y. Davis, Nelson Mandela, Thomas "Tom" Harkin, Thomas "Tom" A. Coburn, Darrell Issa, Major Garrett, John G. Roberts, Antonin Scalia, Elena Kagan, James "Jim" H. Webb, Ehud Barak, Madeleine K. Albright, Krystal Ball, E. "E.J." J. Dionne, Herb Boyd, Anderson Cooper, Francis Fukuyama, Benedict XVI, William F. Buckley, Terence Smith, John Paul II, Christopher "Chris" J. Dodd, Deborah "Debbie" Ann Stabenow, Bob Casey, Ronald "Ron" Lee Wyden, Tammy Baldwin, Amanda Terkel, Angela Merkel, Eleanor Holmes Norton, Stephen Harper, Lani Guinier, Kathleen Hall Jamieson, Mary Katharine Ham, Joseph Nocera, Thomas E. Woods, Philip, Michael D. Griffin, Ray McGovern, Martin Smith, Shelby Foote, James Baldwin, Rahm Emanuel, Patty Murray, Kelly A. Ayotte, Eric Cantor, Pedro Echevarria, Mitch McConnell, Stephen G. Breyer, Allyson Schwartz, Jeb Bush, Michael Kinsley, George H. W. Bush, Tariq Ali, Anita Earls, Charles, Ha-Joon Chang, Ezra Klein, Robert F. Kennedy, Winston Churchill, John "Jay" D. Rockefeller, Orrin Hatch, Gwendolynne "Gwen" Moore, Richard Burr, Kirsten E. Gillibrand, Richard Santorum, Mahmoud "Abu Mazen" Abbas, Bill Press, H. "Ross" Perot, Richard "Dick" B. Cheney, Terry O'Neill, Roger D. Launius, George Packer, Richard A. Posner, John Logsdon, Richard H. Truly, Christopher C. Kraft, Matthew Yglesias, William Smith, Woody Allen, Mary Landrieu, Jeanne Shaheen, Timothy M. Kaine, Thomas "Tom" R. Carper, Sheldon Whitehouse, Ted Cruz, David Boaz, Marvin Kalb, Jill Biden, Edward J. Markey, Heather Smith, Peter R. Orszag, John R. Allen, Frederick C. Harris, Jeffrey Rosen, Robert Scheer, John R. Bolton, Henry M. Paulson, Lizz Winstead, Michio Kaku, Harrison H. Schmitt, John Young, Robert L. Crippen, Yitzhak Rabin, Tom Udall, Max Baucus, Keith B. Alexander, Mark Udall, Laurence H. Tribe, Jefferson "Jeff" Sessions, Judd Alan Gregg, James "Jay" Carney, Gabrielle Giffords, Virginia Foxx, Nikki Haley, Strobe Talbott, Peter L. Bergen, Anthony M. Kennedy, Richard "Dick" G. Lugar, Mary Frances Berry, Vali R. Nasr, Doris Kearns Goodwin, Dee Dee Myers, Chuck Todd, John Paul Stevens, Charles Murray, Craig Romney, Damon Silvers, Michael F. Scheuer, David R. Gergen, Simon Winchester, Floyd Abrams, Arundhati Roy, Carolyn Maloney, Eric Foner, Joseph "Joe" Lieberman, Juan Williams, Jon Kyl, George Stephanopoulos, Thomas "Tom" E. Donilon, Walter Isaacson, Robert B. Zoellick, Katrina Vanden Heuvel, Caroline Kennedy, Richard D. Wolff, Bruce Hoffman, David N. Bossie, Richard L. Armitage, Julianne Malveaux, Tom Palmer, John W. Dean, Oliver L. North, Theodore B. Olson, Lucy Anne Hurston, John C. Yoo, Jeremy Scahill, Nicolas Sarkozy, Bashar al-Assad, Adjoa A. Aiyetoro, Richard R. Beeman, T. Boone Pickens, Melinda Gates, Lanny J. Davis, Richard C. Holbrooke, Adam Gelb, Mark Crispin Miller, Francis George, Ann Richards, David Rockefeller, Ariel Sharon, Lila Cabbil, George J. Tenet, Jane Jacobs, Slobodan Milosevic, John O'Connor