Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE and groups supporting her campaign are ramping-up their ad buys in key battleground states while Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE and his allies have yet to spend a dime, according to a new analysis.



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NBC News estimates that the Clinton campaign and supporting super-PACs have so far spent $26 million on television ads in eight battleground states, including $9 million spent this month alone.The Trump campaign and his supporting super-PACs have spent $0 so far on ads in Colorado, Florida, Iowa, North Carolina, New Hampshire, Nevada, Ohio and Virginia, the analysis found.Furthermore, Clinton and her supporting groups have reserved an additional $114 million on air-time in those states going forward, bringing their total spending to $140 million.Trump and his supporting super-PACs have not reserved any air-time in those states as of yet.The NBC analysis is based on a review of data from SMB Delta in the battleground states that will have an enormous influence over who wins the White House.President Obama won all of those states except for North Carolina in 2012, and Clinton will enter the general election as the favorite to do the same.The pro-Clinton groups spent almost half of the $26 million on ads in Florida and Ohio, the bellwether swing-states with the most Electoral College votes at stake.Trump, who only recently began fundraising, is on pace to be badly outspent by Clinton in the general election. He finished May with only $1.3 million in the bank, compared to $42.5 million for Clinton.Trump has several supporting super-PACs, but many influential conservative donors remain on the sidelines.Meanwhile, Priorities USA, the largest pro-Clinton super-PAC, raised $12.1 million last month and had $52 million in cash on hand.