RNS points to this:
Here’s the story that is circulating at the convention: Back in the spring, Elder went to Washington to sit down with John Cornyn and the NRSC, and ask for their support for a bid for U.S. Senate against Barbara Boxer. Cornyn and the NRSC told him the following:
1. If Elder chose to run, they would not support him.
2. The NRSC was already committed to supporting Carly Fiorina
3. The NRSC expected Fiorina to lose against Boxer, but expected her to tie up Democrat resources in the meantime.
So Larry Elder came back to California and did not run. You know the rest: he’s watched the Fiorina campaign move from crisis to crisis (failure to vote, Iran sales, revelation of no self-funding, no CRP attendance, this Rasmussen poll, that website, etc.), and feeling increasingly frustrated. It’s probably too late for him to enter and Larry is hot under the collar that Cornyn gave him such terrible advice. So he’s talking to his friends — and his friends are talking to us — and I’m talking to you.