No we won't be "ruing the day" as we're fully aware of what the Republican Party will do. The question has been asked over and over and over. Republicans though are likely to do it themselves should the oppourtunity arrive. They already did it for judicial appointments after Democrats refused to back when they had complete control. Not nuking the filibuster will just lead to more Democratic failure and more regression with no legislative progress to show for anything.I'm going to give the unpopular opinion and say it would be a bad idea to nuke the filibuster. Stripping minority control over the legislative levers seems like a good idea now, but you will all be ruing the day when there is a Republican controlled Senate fast tracking regressive bills with no way for the Democratic minority to do anything about it.