Related by context. Frequent words. (Click for all words.) 71 Vilsack 68 Gov. Tom Vilsack 58 Johanns 56 Mike Johanns 54 Kathleen Sebelius 53 Secretary Tom Vilsack 52 Tim Pawlenty 52 Daschle 51 Sen. Tom Harkin 51 Branstad 50 Mitch Daniels 50 Bayh 50 Sen. Evan Bayh 50 Evan Bayh 49 Sebelius 48 Bill Clinton 48 Tom Daschle 47 Wesley Clark 46 Iowa caucuses 46 Sen. Hillary Rodham 46 Chris Dodd 46 Mike Huckabee 46 Mitt Romney 46 Nussle 46 Gov. Kathleen Sebelius 45 Huckabee 45 Sam Brownback 45 Brownback 45 Sen. Kent Conrad 44 Roland Burris 44 Pawlenty 44 Senator Hillary Clinton 44 John Thune 44 Gov. Chet Culver 44 Thune 44 Iowans 44 Hillary Clinton 44 Dick Gephardt 44 Sen. Judd Gregg 43 Obama 43 Howard Dean 43 Sen. Blanche Lincoln 43 Harkin 43 Jon Corzine 43 Barack Obama 43 George McGovern 43 Gov. Tim Kaine 42 Gephardt 42 Clinton 42 Sen. Hillary Clinton 42 Illinois senator 42 Sen. Sam Brownback 42 Gov. Tim Pawlenty 42 Grassley 41 Janet Napolitano 41 Sen. Joe Biden 41 staff Rahm Emanuel 41 Blanche Lincoln 41 White House 41 USDA 41 Sen. Chuck Hagel 41 Gov. Janet Napolitano 41 Clintons 41 Veneman 41 Hillary Rodham Clinton 41 Iowa 40 Gary Locke 40 Tim Kaine 40 Sen. Chuck Grassley 40 Sen. Charles Grassley 40 governor 40 Gov. 40 Lugar 40 McCain 40 Ken Salazar 40 Hoeven 39 Russ Feingold 39 Rahm Emanuel 39 Tim Geithner 39 Bob Dole 39 Gen. Wesley 39 presidential hopeful 39 senator 39 Sen. Dick Durbin 39 Haley Barbour 39 Romney 39 Gov. Jon Corzine 39 Gov. Haley Barbour 39 John Sununu 39 Biden 39 Sen. Kay Bailey 39 Shinseki 39 Cabinet secretaries 39 Governor Mitt Romney 38 Goolsbee 38 D Ill 38 presidential candidate 38 Des Moines Register 38 lieutenant governor 38 Gov. Mitch Daniels 38 Rep. Rahm Emanuel