U.S. Sen. Mike Braun is leading the crowded field of Republicans but a high percentage of voters are undecided. Gov. Holcomb, who is term-limited, isn't endorsing anyone.
Key Points
U.S. Sen. Mike Braun is a frontrunner in the Republican Senate race in Indiana
Governor Holcomb's lack of endorsement adds uncertainty to the race
Pros
U.S. Sen. Mike Braun leads the crowded field of Republicans
Cons
High percentage of voters are undecided
Gov. Holcomb, term-limited after eight years, isn't endorsing anyone