NEW YORK (AP) — One after another, the nation's most powerful Republicans responded to President Donald Trump's extraordinary remarks about white supremacists. Yet few mentioned the president.

The Senate's top Republican, Majority Leader Mitch McConnell, condemned "hate and bigotry." House Speaker Paul Ryan charged that, "White supremacy is repulsive." Neither criticized the president's insistence that there were "very fine people on both sides" of a violent weekend clash between white supremacists and counterdemonstrators.

The nuanced statements reflect the party establishment's delicate dance. Few top Republican officeholders defended the president in the midst of an escalating political crisis. Yet they are unwilling to declare all-out war against Trump and risk alienating his loyalists. And as the 2018 elections begin to take shape, the debate over Trump's words appears to be taking hold in GOP primaries.

Trump on Thursday attacked some of the Republicans who have directly criticized him.

South Carolina Republican Sen. Lindsey Graham, who doesn't face re-election until 2020, said the president "took a step backward by again suggesting there is moral equivalency between the white supremacist neo-Nazis and KKK members who attended the Charlottesville rally" and the people demonstrating against them.

"Many Republicans do not agree with and will fight back against the idea that the party of Lincoln has a welcome mat out for the David Dukes of the world," Graham added, referring to the former Ku Klux Klan leader.

Trump shot back on Thursday on Twitter: "Publicity seeking Lindsey Graham falsely stated that I said there is moral equivalency between the KKK, neo-Nazis & white supremacists and people like Ms. Heyer." He was referring to Heather Heyer, the woman who was killed when she was struck by a car driven into the crowd.

"Such a disgusting lie," Trump said of Graham's remarks. "He just can't forget his election trouncing. The people of South Carolina will remember."

Trump then touted a primary opponent of GOP Sen. Jeff Flake of Arizona, tweeting Flake "is WEAK on borders, crime and a non-factor in Senate. He's toxic!"

Flake had tweeted on Wednesday, ""We can't claim to be the party of Lincoln if we equivocate in condemning white supremacy."

Trump's overall approval rating may be dismal, but a small group of die-hard supporters is expected to play an outsized role in next year's midterm elections when the Republican control of Congress is at stake. Those supporters are praising the president's response to the violence in Charlottesville, Virginia, which left one dead and many more wounded.

"You got racism in both factions, on both sides," former New Hampshire GOP chair Jack Kimball said. "Trump has zero fault here. None."

Republican leaders also need the president: They hope to work with him to enact meaningful legislation on infrastructure, taxes and health care to prove to voters their party can govern.

The delicate relationship helps explain Wednesday's cautious comments from powerful Republicans like McConnell.

"We all have a responsibility to stand against hate and violence, wherever it raises its evil head," McConnell said in a statement, noting that white supremacists are planning a rally in his home state of Kentucky.

"Their messages of hate and bigotry are not welcome in Kentucky and should not be welcome anywhere in America," he said.

Former Republican Presidents George H.W. and George W. Bush, usually silent on current political developments, released a joint statement that stopped short of criticizing Trump as well.

"America must always reject racial bigotry, anti-Semitism and hatred in all forms," the Bushes said.

The political tap dance frustrated as least one member of Trump's diversity council, CEO of the U.S. Hispanic Chamber of Commerce Javier Palomarez, who called Trump's response "a monumental failure in leadership."

He challenged those who denounced racism in general terms without calling out the president by name.

"That's a sign of weakness, and I don't think the American people and the Republican Party is going to forget," said Palomarez, who noted he would remain on Trump's diversity council "for now."

But Trump loyalists on the ground in key states are ready to fight for their leader. And there were signs that the divide between the loyalists and establishment Republicans is already shaping the mid-term political landscape.

"We've always had these weak skittish so-called Republicans in the D.C. crowd. They're always peeing their pants," said Corey Stewart, a former Trump aide who has already launched a 2018 Senate bid in Virginia.

Many were quick to blame the media for Trump's struggles.

"It doesn't take a rocket scientist to figure out the liberal media is not a fan of President Trump," said Trump's Alabama campaign chairman, Perry Hooper, arguing the Russia investigation is driven by media obsession. He added, "Now they're trying to make him some kind of racist. It's ridiculous. He doesn't have a racist bone in his body."

Nevada Republican Danny Tarkanian, who is challenging Republican Sen. Dean Heller, said those criticizing Trump's response to the white supremacist rally were "splitting hairs."

"It was clear the media went out of their way to find fault with his statement," Tarkanian said.

Heller, who is considered one of the most endangered Republicans in the nation heading into the 2018 election, posted a simple statement on Twitter late Tuesday that stopped short of criticizing the president: "There is no defense or justification for evil in the form of white supremacists and Nazis. None," he wrote.

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AP writer Bill Barrow in Atlanta contributed to this report.