Embattled Republican Sen. Pat Roberts is enlisting high-profile GOP leaders to help his re-election chances , including former Senate majority leader and fellow Kansan Robert Dole . The 91-year-old Dole campaigned Monday night in Dodge City with Roberts . That is the town Roberts listed as his residence , but the house is owned by two supporters . Dole , who will also appear alongside Roberts on Tuesday , last week taped a TV ad touting the three-term senator and has offered advice behind the scenes . Former Florida Gov . Jeb Bush , who is considering running for the 2016 GOP presidential nomination , will attend a fundraiser and public event for Roberts next Monday . He is stepping up his efforts on behalf of Republican candidates , hosting a Florida fundraiser Tuesday for several GOP Senate candidates . `` Sens . Bob Dole , John McCain , Rand Paul and Congressman Paul Ryan are all confirmed to campaign in Kansas as well . The Republican Party is uniting around Pat Roberts because he is the only candidate in this race who will ensure Harry Reid is no longer in control of the Senate , '' the campaign said . The Kansas race has become competitive . Democrat Chad Taylor dropped out , leaving independent Greg Orman , a businessman , as Roberts ' sole opponent . The Senate race in Kansas just got more interesting .
Roberts , other GOP heavyweights back Dodge City senator . Dole campaigns for Roberts in Kansas . Dole will attend fundraiser next Monday .