Story highlights Pence was pressed over the Muslim ban

Pence had previously been critical of Trump's proposal

(CNN) When asked Thursday why he longer speaks out against Donald Trump's call to ban Muslims from entering the United States, Mike Pence had a simple explanation.

"Well, because it's not Donald Trump's position now," Pence said during an appearance on CNN's "New Day."

Trump's so-called "Muslim ban" has been tweaked several times in the 10 months since he proposed it, making the actual substance of the policy muddled and confusing.

Pence, meanwhile, has faced questions after he repeatedly passed up opportunities to defend his running mate at the top of the Republican ticket at Tuesday's vice presidential debate.

The Indiana governor expressed differences with Trump before he joined the party's ticket, including on the Muslim ban. When Trump called for a "total and complete shutdown of Muslims entering the United States" in December, Pence called the proposal "offensive and unconstitutional."

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