Hillary Clinton 's strong national lead over Sanders is essentially gone and, instead, the Democratic race is incredibly close, according to a national Quinnipiac poll released today.<br />Clinton received 44 percent of support while Sanders can boast about 42 percent, his highest support in any national poll to date.<br />This new poll was conducted after the Iowa caucuses , when the polls were too close to call Monday night but, finally, Clinton eked out a win over Sanders.<br />The poll also shows that if the general election came down to Clinton and Marco Rubio , voters said they would vote for Rubio over Clinton, 48 to 41 percent.
