Sen. Arlen Specter (D-Pa.) has found memories of being a Republican, polls show the Democratic Senate primary in Ohio is widening, and, thanks to Arizona, illegal immigration is becoming a campaign issue.

Specter's nostalgia

Less than three weeks before facing his first Democratic primary vote (and a year after he switched parties), Sen. Arlen Specter (D-Pa.) sounds nostalgic for his past in the GOP.

"Well, I probably shouldn't say this,'' he lets slip in a profile in the Allentown Morning Call. ''But I have thought from time to time that I might have helped the country more if I'd stayed a Republican.''

Still, Specter goes on to defend his decision to switch parties, saying it was because a ''moderate public servant'' no longer had a place in the GOP. ''For me to say I had no place in the Republican Party was a significant commentary,'' he said. ''The party had been heading there for a long time, and this was the identification of it.''

Rep. Joe Sestak (D-Pa.), Specter's primary opponent, will try to regain some momentum during a pivotal speech Wednesday night at American University in Washington.

As seen on TV

In the Ohio Senate Democratic primary, Lt. Gov. Lee Fisher (D) has a commanding lead over rival Secretary of State Jennifer Brunner, according to a new Quinnipiac University poll.

Fisher's up 17 points over Brunner, a 10-point increase in less than a month.

Fisher's rise in the polls comes as he started running 30-second TV bio ads earlier in April, according to the Columbus Dispatch. But the lead has come at a cost. Fisher has dropped $3 million on his primary, while former Rep. Rob Portman (R-Ohio), the expected GOP nominee, has been able to stockpile cash.

Thank you, Arizona

From Iowa House primaries to the Georgia governor's race candidates are again talking about illegal immigration. Here's a taste of what they're saying:

Iowa Republican Pat Bertroche, who's vying to face Rep. Leonard Boswell (D-Iowa), said police should catch illegal immigrants and document their whereabouts. "I can microchip my dog so I can find it. Why can't I microchip an illegal?"

Meanwhile, former Rep. Nathan Deal (R-Ga.), who left Congress to run for governor, came out in support of the Arizona law. "As governor of Georgia, I’d work to pass and sign similar legislation," he said in a statement.

Former Bush advisor Karl Rove sounded concerned about what the debate will do to his party's chances in November. "I wished they hadn't passed it, in a way," he said about the new Arizona law Tuesday.

Other updates

Florida Gov. Charlie Crist (R) has reevaluated his position on offshore oil drilling. In light of what's happened off the coast of Louisiana, he's withdrawn his support for oil exploration off the coast of Florida. Crist plans to announce Thursday whether he will run as an Independent.

(Updated at 9:23 a.m.)