Cassidy raises nearly $700k in third quarter

His third-quarter fundraising haul was a marked decrease from his second-quarter haul of $1.1 million, but he's got a solid $3.4 million cash in the bank.

Cassidy is the establishment pick to challenge Sen. Mary Landrieu (D), whom Republicans believe to be vulnerable due to Louisiana's increasingly red tint.

She has not yet released her third-quarter numbers, but at the end of July had nearly $5 million cash on hand.