Former Mexican President Vicente Fox, a frequent antagonist of President Trump Donald John TrumpHouse committee believes it has evidence Trump requested putting ally in charge of Cohen probe: report Vietnamese airline takes steps to open flights to US on sidelines of Trump-Kim summit Manafort's attorneys say he should get less than 10 years in prison MORE, says the commander in chief's low approval ratings would get him sacked on television.

.@realDonaldTrump, if this were TV, you'd be fired. America, tell it like it is: Donald, you're fired! pic.twitter.com/wvRF5OJFR8 — Vicente Fox Quesada (@VicenteFoxQue) March 20, 2017

Fox’s tweet included a graphic highlighting Trump’s poor results in the latest Gallup tracking poll, which found only 37 percent of U.S. adults approve of his job performance while 58 percent disapprove.

Gallup said Trump’s approval rating has sunk eight points since its March 11 tracking poll, when it was 45 percent.

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A Fox News survey released last week also found that Trump’s approval rating has dropped 5 points since February. The March 13 poll reported 43 percent approve of Trump’s performance in office, and 51 percent disapprove.

The two polls emerged as Republicans try to unify their party around a bill for repealing and replacing ObamaCare backed by Trump.

Moderate Republicans have expressed their own reservations, with several worrying about how the legislation's cuts to Medicaid.

Trump declared last Friday that the bill has his “100 percent” commitment, adding that ObamaCare itself is “a dead healthcare plan.”

GOP leaders cannot afford more than 21 defections in the House and two in the Senate, assuming all Democrats oppose the legislation.