After his solid, broadly based victories in New Hampshire and South Carolina, Donald Trump now holds a commanding position in the race for the Republican presidential nomination.
But Trump still faces two “known unknowns,” to borrow the memorable phrase from former Defense Secretary Donald Rumsfeld, an architect of the Iraq War that Trump now excoriates. One is whether Trump has a ceiling of support. The second is whether, even if he does, any of his remaining rivals can unify enough of the voters resistant to him to beat him. CONT.
Ronald Brownstein, The Atlantic