The bipartisan investigation, led by Sens. Josh Hawley and Dick Durbin, follows recent Senate efforts to advance new kids' safety legislation and curb child sex abuse material online.
What began with President Donald Trump's signature tax cuts has sprung copycats, with lawmakers from both sides of the aisle proposing breaks on everything from boat loan interest to selling New Jersey swag.
The central Florida Republican has remained adamant he has done nothing wrong amid a long line of incidents -- and has defied calls to step down from his congressional seat.
The donations from a Max Miller-aligned PAC put frontline members in a politically delicate position as they fight to hold onto their seats this November.
Top Judiciary Democrat Jamie Raskin said anyone involved in Paramount's attempt to purchase Warner Bros. Discovery "should be prepared to answer under oath."