"I think Nikki [Haley] is a star... I think she's made her point pretty well, which is, as conservatives we've got great principles, great ideas. And these are inspirational, these are optimistic ideas, these are inclusive ideas," Ryan told USA Today in an interview.
"And that means we have a conservative set of philosophies and principles that give us policies that actually should be inclusive and appealing to people," he said.
Top Republican leadership in the US Congress today hailed the nine-minute speech of Haley, who is seen as a potential Republican vice presidential choice.
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Senator Thune and other Republican lawmakers were speaking to reporters at a joint House and Senate Republican retreat in Baltimore.
They were responding to questions about Haley's speech in which she also jabbed her party's presidential frontrunner Donald Trump by urging Americans to resist "the siren call of the angriest voices" on immigration.
"We have different people who have different ideas and different ways of communicating and different style and tone. But I thought that she did a nice job, I think at least, of reflecting what many of us here are talking about this week," he said.
"That is a pro-growth agenda for the American people, one that reaches out and tries to attract more people for our cause," Thune said.