A former spokesman for Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE's (R-Texas) presidential campaign Tuesday said he would put President Trump's aides on "24-hour suicide watch" in light of new poll numbers that show a drop in support for the president among Republicans.

"All of these numbers look pretty tough, but I guess for you and me, guys who have either run in or run campaigns in Republican primaries, it’s primary numbers that I think would concern me the most and I’d guess would concern you the most as well," "Morning Joe" co-host Joe Scarborough said to Rick Tyler, who signed on as an MSNBC contributor after leave Cruz's 2016 White House bid.

"Joe, if I were political consultant looking at the candidate with this kind of numbers, I'd have them on 24-hour suicide watch," said Tyler. "These numbers are not good. They don’t look recoverable."

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His commentary comes after a CNN poll released late Monday showed Trump's support among GOP voters at 59 percent, down from 73 percent in February shortly after taking office.

Thirty-eight percent of all voters now say they approve of the job Trump is doing, down 6 points since April. Fifty-six percent disapprove, CNN found.

And 59 percent overall say they consider the president's first 200 days in office a failure, while 36 percent say he has been successful.

Tyler on Tuesday also said a weekend New York Times story about Republicans, including Vice President Pence, positioning themselves for possible White House runs in 2020 was warranted. He pointed to Trump's poll numbers and the expanding investigations into Russian meddling in the presidential race, including possible collusion with Trump campaign associates.

"The administration and the vice president can complain about The New York Times story, but we won’t have this story if the president’s poll numbers were in the mid-50s, high 50s or low 60s," noted Tyler. "Instead, they’re in the 30s, and so everybody’s speculating. And then you have an active investigation, the Russia probe, which people are beginning to question."

"So, everybody's positioning for any eventualities that might occur with this very unpredictable administration," he concluded.