1)there is no way we can stop the Democrats from picking our candidate, so we must have a convention.
2)It will disenfranchise Independents
3)If Independents can vote for Republican, then Dems will just register as independents.
4)If we make Independents register as Republicans, they won't and the nomination goes to Romney
I voted for Hillary here in Indiana’s 2008 open primary as an “Op Chaos” operative. McCain had already captured the R nomination by that point.