It can be understood from the perspective of a political campaign -- Cruz has put in a good ground game in precisely the places where it would do the most good, and one of the criteria is, separated by some time. After Iowa, I'd estimate that at least 50 percent of the Cruz topics on FR were about how he'd won Iowa, have you heard? Cruz won Iowa. Same thing happened with Wisconsin. OTOH, there was barely any talk about Texas -- he should have done better in his home state, though he did win -- or any other losses. Barring some spectacular upset in a large state (NY and CA are the largest ones left), he's finished and he knows he's finished. If Trump or Kasich (or some maverick write in candidate) win just 117 more delegates, Cruz can't reach 1237. Trump is expected to win ALL of NY state's delegates, meaning the number is down to the low 20s, and Trump is expected to do triple that, at least, in California. He has leads in PA, MD, CT...