Here is an excerpt:
Campaign finance experts say that most donations are given to influence candidates or gain access.
“There’s this question of why we give money,” said Loyola Law School professor Jessica Levinson. “Is it legalized bribery, or do we just support candidates and expect nothing in return, or is it okay to expect something in return?”
She said figuring out who's donating what and to whom is an important step in figuring out donors’ motivations.