Most of the political world now expects Ted Cruz to emulate his running mate Carly Fiorina by falling down in Indiana. The only question is whether he will be able to get up as quickly.

Whether this conventional wisdom reflects the facts on the ground in Tuesday’s pivotal primary state remains to be seen. But in a cruel twist for Cruz, who was gaining on Republican front-runner Donald Trump just weeks ago, Fiorina’s unfortunate slip from the stage now looks like an apt metaphor for a campaign coming apart.