Democrats raising big money in contested O.C. congressional contests. Will it make a difference?

Big money is pouring into Orange County congressional races like never before.
Local Democratic candidates vying to flip four Republican-held House seats have raised substantial sums in recent months, receiving more cash than their GOP opponents, with two local Democrats collecting more than $1 million since April.
Given that O.C. congressional races are more competitive than in previous years — and that many experts view the county as a key battleground in the national fight to control th