5 takeaways from Trump-Clinton polls in swing states Florida, Ohio, Pennsylvania
A combination photo shows Republican U.S. presidential candidate Donald Trump (L) in Palm Beach, Florida and Democratic U.S. presidential candidate Hillary Clinton (R) in Miami, Florida at their respective Super Tuesday primaries campaign events on March 1, 2016. REUTERS/Scott Audette (L), Javier Galeano (R)

WASHINGTON -- Early polling since former U.S. Secretary of State Hillary Clinton and businessman Donald Trump became their parties' prospective nominees indicate a tight race between the two candidates. While Clinton has opened up a lead nationally, Quinnipiac University polls released Tuesday indicated that Trump started off competitive among registered voters in Ohio and Pennsylvania, two…