With tonight’s agonizingly close race in the Iowa caucuses, we decided to look back at other close primary calls through the years: 1972 Dems: May 2, Ohio – Humphrey 41.2, McGovern 39.6. 1976 Dems: April 6, Wisconsin – Carter 36.6, Udall 35.6; May 11, Nebraska – Church 38.5, Carter 37.6; May 18, Michigan – Carter 43.4, Udall 43.1. GOP: Jan 19, Iowa – Ford 45, Reagan 43; March 2, New Hampshire – Ford 49.4, Reagan 48. 1980 GOP: March 4, Massachusetts – Bush 31, Anderson 30.7, Reagan 28.8; March 4, Vermont – Reagan 30.1, Anderson 29. Dems: April 22, Pennsylvania – Kennedy 45.7, Carter 45.4. 1984 Dems: May 8, Indiana – Hart 41.8, Mondale 40.9; May 8, Hart 42, Mondale 40.3 1988 GOP: March 8, Missouri – Bush 42.2, Dole 41.1. Dems: March 8, North Carolina – Gore 34.7, Jackson 33. 1992 Dems: March 3, Colorado – Brown 28.8, Clinton 26.9, Tsongas 25.6; March 24, Connecticut – Brown 37.2, Clinton 35.6; April 7, Minnesota – Clinton 31.1, Brown 30.6. 1996 GOP: Feb 20, New Hampshire – Buchanan 27.2, Dole 26.2. 2004 Dems: Feb 3, Oklahoma – Clark 29.9, Edwards 29.5, Kerry 26.8. 2008 GOP: Feb 5, Missouri – McCain 33,