A government watchdog group in Wisconsin filed a lawsuit Wednesday seeking to prohibit billionaire Elon Musk from ever again offering cash payments to voters in the battleground state like he did in this spring's hotly contested Supreme Court race.

Elon Musk’s Neuralink Corp. used a brain implant to enable a monkey to see something that wasn’t physically there, according to an engineer, as it moves toward its goal of helping blind people see.

Elon Musk is clearly the “poster child” for why the nation needs campaign finance reform.