Donor cash surges to Harrison, the Democrat taking on Graham

It won't be known until Election Day if a poll showing a tightening contest between Republican Sen. Lindsey Graham and Democrat Jaime Harrison portends an upset — but the gains are real enough in the Democrat's campaign account.On the heels of a Quinnipiac University poll that has him tied with Graham among likely voters in South Carolina, Harrison's campaign has marked two back-to-back fundraising days of $1 million apiece, bringing his total fundraising to over $30 million.It's a stagger