Related by context. Frequent words. (Click for all words.) 53 Gore 41 Al Gore 32 Global Warming 32 climate change 32 Hillary 31 global warming 28 Sheryl Crow 28 Kerry 26 Bill Clinton 26 presidential 25 Nobel Peace Prize 24 Iowa caucuses 24 Leonardo DiCaprio 24 Ralph Nader 24 electoral votes 23 Barack Obama 23 Electoral College 22 Clinton 22 George Clooney 22 presidential nominee 21 Massachusetts Gov. Mitt 21 George W. Bush 21 Bono 21 George W 21 Jimmy Carter 21 presidential candidate 21 Howard Dean 20 Arnold Schwarzenegger 20 Karl Rove 20 McCain 20 Robert Redford 20 presidential hopeful 20 George HW Bush 20 Barack 20 Tony Blair 20 Nader 20 Brad Pitt 20 Hillary Clinton 19 Matt Damon 19 Fred Thompson 19 Rove 19 Ben Affleck 19 Sen. Hillary Rodham 18 Oval Office 18 President George HW 18 Obama 18 Bushes 18 Clintons 17 Rudy Giuliani 17 Al Franken 17 Steven Spielberg 17 Joe Lieberman 17 Paul McCartney 17 Bush 17 Kofi Annan 17 Illinois senator 17 Rush Limbaugh 17 Hillary Rodham Clinton 16 Jon Stewart 16 Barbra Streisand 16 Sen. Joe Biden 16 Sean Penn 16 Kucinich 16 Ashton Kutcher 16 Mitt Romney 16 Sarah Palin 15 Bob Dole 15 John Kerry D-Mass. 15 Joseph Lieberman 15 Sen. Barbara Boxer 15 Cheney 15 Stephen Colbert 15 Joseph Biden 15 Richard Nixon 15 President George W. 15 Shimon Peres 15 Colin Powell 15 Jerry Seinfeld 14 Ted Kennedy 14 Governor Arnold Schwarzenegger 14 Huckabee 14 Biden 14 Mike Huckabee 13 Romney 13 Mayor Rudy Giuliani 13 Sen. Hillary Clinton 13 Gephardt 13 Joe Biden 13 Henry Kissinger 13 Condoleezza Rice 13 Conan O'Brien 13 Dick Cheney 12 Lyndon Johnson 12 Newt Gingrich 12 Theodore Roosevelt 11 Robert F. Kennedy 11 Gerald Ford 11 Jesse Jackson 11 Ronald Reagan 8 Pat Robertson 8 Reagan