NEW ORLEANS — As a student, Donald Trump played high school football. As a business baron, he owned a team in an upstart rival to the NFL and then sued the established league. As president, he denigrated pros who took a knee during the national anthem as part of a social justice movement.

NEW ORLEANS — As a student, Donald Trump played high school football. As a business baron, he owned a team in an upstart rival to the NFL and then sued the established league. As president, he denigrated pros who took a knee during the national anthem as part of a social justice movement.

The president made clear he’s just getting started. But the backdrop of his swagger is a blizzard of executive actions and no clarity on how many will succeed.