At this point in the cycle, national polls are entirely a reflection of name identification, not voters’ views of the candidates.
“In early 1975, Carter was polling at 1% (he went on to win the Presidency).
“In early 1987, Dukakis was polling at 1% (he went on to win the Democratic nomination).
“In early 1991, Clinton was at 2% (he went on to win the Presidency).
“In the spring of 1999, John McCain was polling at 3% (he went on to win the NH primary).”