In a decisive and at times bizarre Midwestern showdown that Cruz had called "favorable" ground, Trump won a delegate haul that eased his path toward the Republican presidential nomination, raising questions about the future of the Texas senator's campaign. Though he made no promises to back Trump, now the GOP's presumptive nominee, Cruz made clear he is not leaving the political scene. Trump gave a victory speech from New York, where he read from written remarks and claimed all of Indiana's 57 delegates. In the face of widespread speculation that Cruz might end his campaign with a loss in Indiana, his campaign gamely scheduled rallies Wednesday in Nebraska and Washington State, which hold primaries later this month. [...] came Cruz's last-gasp jeremiad, calling the likely GOP nominee a "pathological liar," a "narcissist" and a "serial philanderer" who has problems with women. The Texas senator's onslaught came during a press conference after Trump, in a national television appearance in the morning, speculated about a widely ignored National Enquirer story linking Rafael Cruz, Cruz's Cuban immigrant father, to Lee Harvey Oswald and the assassination of John F.