CNBC Daily Open: U.S. market sell-off on deficit fears unlikely to be stemmed by any 'Trump put'

It's one bad headline after another coming from the White House these days. Just as the tariff-related turmoil rocking markets subsided — and only temporarily, since the clock is still ticking on the pause on "reciprocal tariffs" — fears of ballooning U.S. debt are sparking another broad sell-off…