A colossal crypto regulatory package backed by President Donald Trump stumbled in the Senate, and another shot is unlikely.The Clarity Act failed to move through a key procedural hurdle on Tuesday, serving proponents of the bill, including major players in the cryptocurrency industry and the White House, a major blow in their pursuit of folding the novel currency into the nation’s web of financial regulations.Democrats dealt the bill a mortal blow, but a handful of Republicans with outstanding concerns, including Sens. Susan Collins, R-Maine, Josh Hawley, R-Mo., and Jerry Moran, R-Kan., were n...