Sens. Chuck Grassley and Joni Ernst, Iowa Republicans, defended their state’s position to vote first in presidential nominating contests following a long delay in Democratic caucus results.

Monday night’s Democratic caucuses resulted in no clear winner due to technical glitches in an app being used for the first time. The situation compounds long-standing complaints that the caucus system is inherently undemocratic due to the limited number of people able to participate in evenings, among other reasons.