These donations are most certainly earmarked for a candidate - they’re ear-marked for whoever ends up as the nominee against her.
That money cannot be spent on anything else.
Yep. It’s still not illegal.
If I call my Senator and tell him that I will donate to his opponent if he doesn’t vote the way I want hin to, that’s not breaking the law.
If I call my Senator and tell him that I will tell all my friends to donate to his opponent if he doesn’t vote the way I want him to, that’s not against the law.
If I call my Senator and tell him that I will start a website to collect donations for his opponent if he doesn’t vote the way I want him to, that’s still not against the law.