his 1992 presidential campaign
... that Tom Harkin ended his 1992 presidential campaign just one month after he won a landslide victory in the Iowa caucuses, where he received over three-quarters of the total vote?
... that <a href="./Tom_Harkin" id="mwAvQ" rel="mw:WikiLink" title="Tom Harkin">Tom Harkin</a> ended <b id="mwAvU"><a href="./Tom_Harkin_1992_presidential_campaign" id="mwAvY" rel="mw:WikiLink" title="Tom Harkin 1992 presidential campaign">his 1992 presidential campaign</a></b> just one month after he won a landslide victory in the <a href="./Iowa_caucuses" id="mwAvc" rel="mw:WikiLink" title="Iowa caucuses">Iowa caucuses</a>, where he received over three-quarters of the total vote?