This announcement came a full five months before the Republican convention.
Results will be announced before the national convention in August.
Campaign officials said they expected to spend about $5 million on advertisements before the convention.
"You think you'll have a majority of delegates before the convention?"
So, a month before the convention, many rooms were not spoken for.
I made a compromise before the convention to put him on the ticket.
Only seven days are left before his party's nominating convention.
In recent years, the result of the vote is either known before the convention, or the voting does not take place at the venue.
It was originally based in Minnesota until moving before the 2007 convention.
A number of the rapidly installed systems were new ones that had not been used before the convention.