if Romney got indicted...

[Stranger in a strange land]

Chris Christie at the convention.

But I honestly don't think they'd throw him over, unless there was a smoking gun. The GOP would portray it as a political prosecution timed to steal the election, and use it to fire up the base.

^this. But honestly, if they had to replace Romney at the convention, Jeb Bush or Marco Rubio would be much more likely.