Bill Clinton

How Trump can succeed

How Trump can succeed

Will Donald Trump be a “transformative” president? His predecessor did us the favor of defining the term.

“I think Ronald Reagan changed the trajectory of America in a way that Richard Nixon did not and in a way that Bill Clinton did not,” presidential candidate Barack Obama said in 2008. Reagan “put us on a fundamentally different path.”

Unequivocal victories are rare in politics. Not all victories are created equal, however. Only some are fundamental. Significance and durability determine whether a president has or hasn’t effected fundamental change. Minor policy tweaks...