It’s also unclear whether Trump’s refusal to sign legislation would have any effect in practice. Under the U.S. Constitution, any legislation passed by Congress but not signed or vetoed by the president within 10 days becomes law as though it had been signed.

President Trump told CBS News the U.S. war with Iran is "very complete," and said the U.S. "could do a lot" about the Strait of Hormuz.

The president insists conflict with Iran will be brief, but world leaders are preparing for severe economic blowback.

TRUMP HOUSE GOP: President Donald Trump is hosting House Republicans at his golf resort in Miami for their annual retreat, which kicked off earlier today. Trump said he will hold a news conference this evening before returning to Washington, D.C.

GOP leaders signal they may seek additional funding for President Donald Trump’s military operation in Iran, with lawmakers warning the price tag could be “very robust."