"It's hurting our country badly," Rubio said.
The campaign joked that Rubio's crimes are "worse than originally reported."
The Florida senator has received some big-money support over the past month.
"We need to get the federal government out of this infrastructure business," he said.
Rubio has picked up his fourth endorsement in as many days.
Rubio points to Trump's bankruptcy record to counter Trump's claims about Rubio's finances.
Some supporters whether Bush should take that tone against his former protégé.
Avik Roy joins Rubio a day before Jeb Bush rolls out an ObamaCare replacement plan.
While former Florida Gov. Jeb Bush leads in lawmaker endorsements, Rubio has pushed ahead in the...
Values Voter Summit will also give an award to Kentucky county clerk Kim Davis.
The Florida rep. believes Cuba must improve its human rights before receiving warmer ties with the...
The 2016 presidential candidate said "we’re fools if we" ignore Russian aggression.
Rubio accused the president of seeking to empower the Cuban government.
Cruz is taking a hands-off attitude toward Trump while going after rival Rubio.
Rubio also hit Obama for saying before the Paris attacks that ISIS was "contained."
There were fewer winners in the fourth GOP debate and no standout moments.
Under the tax code, a "social welfare" group can keep its donors secret.
Senate Republicans are plunging into a difficult debate over ObamaCare.
Rubio, Paul and Cruz missed a vote on Sen. Dean Heller's cybersecurity amendment.
Clinton had been heckled the night before over taking campaign donations from private prisons.
The Florida senator spoke at the Values Voter Summit.
The bill from the 2016 contender would expedite weapon transfers to Jordan.
“I think he is a politician with a great future,” she said of Rubio.
Potential 2016 hopeful tells CPAC he was wrong in his past approach to comprehensive reform.