Cruz reiterated that he could restart his campaign if he wins Tuesday night’s Nebraska primary, though he conceded that was nearly impossible.
 
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Cruz said he doesn't currently see a path forward for his campaign but could re-evaluate that if "circumstances change." 
 
"I have no interest in a third-party run," he told reporters.
 
"Listen, we have suspended the campaign because I can see no viable path to victory. But let's be clear: We're not going to win Nebraska today." 
 
 
Cruz, asked whether he was humbled by his loss to Trump, said he was sorry to have "disappointed" his supporters but that the "conservative movement" isn't over. 
 
"This battle is a lot more than one election and one candidate," said Cruz, stoking speculation of a potential 2020 presidential run.

He conspicuously avoided endorsing Trump, saying there are still months until the party's national convention in July and the November general election for candidates to sell their presidency.

"You know, I trust the people," Cruz said when asked whether he is OK with his supporters voting for Trump. 
 
"We just had a long, drawn-out battle, a long-drawn primary. Going forward ... it will be incumbent on the candidates in this race to make the case to the people." 

Trump's status as the presumptive nominee has opened up a divide among Republican lawmakers. While Sen. Marco RubioMarco Antonio RubioTurkey says soldier killed despite cease-fire in Syria White House staggers after tumultuous 48 hours Erdoğan got the best of Trump, experts warn MORE (R-Fla.) offered a tepid endorsement Tuesday, others, including Sen. Lindsey GrahamLindsey Olin GrahamZuckerberg launches public defense of Facebook as attacks mount Graham: 'Stupid' for Trump to ask China to investigate Biden Turkey sanctions face possible wall in GOP Senate MORE (R-S.C.), have said they can't support Trump. 

Speaker Paul RyanPaul Davis RyanAmash: Trump incorrect in claiming Congress didn't subpoena Obama officials Democrats hit Scalia over LGBTQ rights Three-way clash set to dominate Democratic debate MORE (R-Wis.) has also held back from endorsing Trump, raising questions about GOP unity heading toward the convention in Cleveland. 

Cruz insisted as he returned to the Capitol that he would continue to fight for his principles, even if it means annoying GOP leadership.

"If fighting for the American people makes me an outsider in the Senate, then I will happily remain an outsider," he said. 
 
"Congress — both parties, both houses — far too often hasn't been listening to the American people."
 
Senate Republicans said, at least publicly, that they were willing to set aside their past differences with Cruz. 
 
Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleyState cites 38 people for violations in Clinton email review Lawmakers from both sides of the aisle mourn Cummings GOP cautions Graham against hauling Biden before Senate MORE (R-Iowa), the chairman of the Judiciary Committee, told reporters he had never had any problems with the Texas Republican, adding: "Let Cruz be Cruz." 
 
Cruz's tactics have created frustration among some of his Republican colleagues, who blocked him from getting a routine courtesy of a "voice vote" last year.  
 
Sen. Richard BurrRichard Mauze BurrEx-CIA agent: Whistleblower's complaint 'should be considered on its merits' Senate Intel chair: Whistleblower hasn't agreed to testify before panel Juan Williams: Trump, the conspiracy theory president MORE (R-N.C.), the chairman of the Intelligence Committee, added that he doesn't know if Cruz will change his rhetoric but that "he's going to be the same effective leader that he has been before."  

— Updated at 5:17 p.m.