Rep. Maxine Waters (D., Calif.) has now dished out more than $1 million in campaign payments to her daughter following the 2020 elections.....'Karen Waters' has pocketed $1.13 million for providing an array of services for her mother's campaign.... The majority of the cash is for running a controversial slate-mailer operation, in which Calif. politicians gave money to Waters's campaign in exchange for mailers bearing her endorsement. "Slate mailers" are extremely rare at the federal level. In fact, Waters appears to be the only federal politician to use a slate-mailer operation. As such, the arrangement between her and her daughter has...