The Democrat who broke record for longest Senate speech (and why it's not a filibuster) / Booker's filibuster: Why the epic Senate speech puts Democrats in spotlight / Thune says preserving the Senate filibuster will be a top priority / Sen. Joe Manchin says he believes Senate is "not going to let the filibuster blow apart" / Mitch McConnell On Republican Senate Control: 'The Filibuster Will Stand' / Senate Democrats think risk of nixing filibuster for abortion is worth the reward / The Senate Stakes on the Filibuster / The Senate filibuster is a hurdle to any national abortion bill. Democrats are campaigning on it