began her diatribe during Rachel Maddow's evening show, asking the MSNBC host whether American citizens should show up on Capitol Hill to protest the passage of the Republican-backed tax bill. "Ok so @Maddow – for real – should we all just getting our cars – on the train – right now – and show up in dc – right now – we mobilize – someone has to call it #SAYGO come on – #nowORnever show up – like a musical – masses of humans – show up now #SHOWUP [sic]," O'Donnell tweeted. ok so @maddow – for real – should...