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 RubioSenate holds sleepy Saturday session as negotiators finalize infrastructure deal Break glass in case of emergency — but not for climate change Democrats join GOP in pressuring Biden over China, virus origins MORE (R-Fla.) offered a tepid endorsement Tuesday, others, including Sen. Lindsey GrahamLindsey Olin GrahamGraham, Cuellar press Biden to name border czar Trump takes two punches from GOP The Hill's 12:30 Report - Presented by Facebook - US gymnast wins all-around gold as Simone Biles cheers from the stands MORE (R-S.C.), have said they can't support Trump. 

Speaker Paul RyanPaul Davis RyanWisconsin GOP quietly prepares Ron Johnson backup plans RealClearPolitics reporter says Freedom Caucus shows how much GOP changed under Trump Juan Williams: Biden's child tax credit is a game-changer 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. 
 
 
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 BurrSenate starts infrastructure debate amid 11th-hour drama The Hill's Morning Report - Presented by Facebook - A huge win for Biden, centrist senators The 17 Republicans who voted to advance the Senate infrastructure bill 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.