Oregon Sen. Gordon Smith (R) is attacking his Democratic opponents ahead of their May 20 primary, releasing a TV ad of his own after a Democratic opponent attacked him in an ad yesterday.

Smith's ad, which will began airing statewide in Oregon today, calls out Jeff MerkleyJeffrey (Jeff) Alan MerkleyAvalanche of Democratic senators say Franken should resign Senate nixes provision boosting conservative college after uproar Overnight Energy: Panel advances controversial Trump nominee | Ex-coal boss Blankenship to run for Senate | Dem commissioner joins energy regulator MORE for contradicting himself on a fundraising stance and Steve Novick for championing taxes. See the ad below:

Yesterday, Merkley released an ad attacking Smith. The ad said he and Smith come from "two very different places," as Merkley's father was a logger and mill worker. According to the bio page on Smith's Senate website, Smith's family owned a vegetable processing business, which Smith ran before taking office. See Merkley's ad below: