The Senate’s No. 2 Republican criticized President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE’s pro-tariff chief trade adviser Friday, saying he "has a lot of wrong ideas."

The comments from Senate Majority Whip John Cornyn John CornynCalls grow for Biden to expand election map in final sprint Bipartisan praise pours in after Ginsburg's death Chamber of Commerce endorses McSally for reelection MORE (Texas) came amid a discussion on Trump’s tariffs on steel and aluminum imports announced Thursday and their impact on the oil and natural gas industry.

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“We just need to stick close to the people that are talking to the president,” Cornyn said in a session at CERAWeek, a major annual conference in Houston that brings together top figures in the oil industry. “I’m sad to see [chief economic adviser Gary] Cohn leave, and the ascent of Mr. [Peter] Navarro, who I think has a lot of wrong ideas when it comes to trade.”

Navarro is a vocal advocate of protectionist trade policies, as was Trump during his presidential campaign.

Cohn announced this week that he would leave the White House, shortly after Trump announced the planned tariffs. Navarro is expected to take a larger role in the White House with Cohn's departure, but has said he is not in the running to replace him as director of the National Economic Council.

Cornyn said he hopes Trump officials “can be a little more surgical in the approach” to trade, and wants the president to back away from his focus on trade deficits as the “end-all be-all” of trade relationships.

The oil industry has joined businesses across the economy in raising alarm over Trump’s tariffs, which will put a 25 percent tax on imported steel and a 10 percent tax on imported aluminum.

They warn that in areas like pipeline construction, drilling equipment and other infrastructure projects, the tariffs will add significant costs to their operations.

Sen. Lisa Murkowski Lisa Ann MurkowskiMcConnell locks down key GOP votes in Supreme Court fight Most Americans think winner of election should pick next Supreme Court justice: poll Murkowski: Supreme Court nominee should not be taken up before election MORE (R-Alaska), at the same event as Cornyn, said the tariffs threaten Trump’s mission to increase domestic energy production. She cited as an example a natural gas export project planned for Alaska, which she estimated could cost $500 million more thanks to the tariffs.

“These are real numbers. This has real impact,” said Murkowski, who chairs the Senate Energy and Natural Resources Committee. “And at a time when, again, we’re trying to build out on that energy promise that we have, whether it’s up north or elsewhere around the country, this is not coming at a good time for us.”