Should Hatch win the nomination Saturday, he would have only the general election, largely a formality in statewide races in GOP-dominated Utah, to dispense with. If he falls short, Hatch would still be favored in the primary.
Hatch, a nearly 36-year Senate veteran, said last month that his seventh term would be his last.
Sen. Jerry Moran, R-Kan., brings a cake reading "Under New Management" to the Republican senate luncheons in the Capitol, November 13, 2014. The cake was inspired by one the former Sen. Bob Dole, R-Kan., once brought.