SelectPlusAP Campaign MinuteAP Campaign MinuteThe Associated PressHere's the latest news from the campaign trail for Monday, May 19: Clinton leads in Ky., Obama ahead in Ore.; McCain attacks Obama over Iran comments; McCain's national finance co-chair resigns; Senator Robert C. Byrd endorses Obama.[Notes:ANCHOR VOICE] THIS IS A-P CAMPAIGN MINUTE.A new poll suggests it will be a much closer race in Oregon than expected between Barack Obama and Hillary Clinton. In a Suffolk University survey 45 percent said they back Obama .... and 41 percent for Clinton. Clinton's the overwhelming choice in Kentucky... With 51 percent supporting the former first lady. =John McCain is accusing Obama of inexperience and reckless judgment. That's after the Illinois Senator said Iran does **not** pose the same serious threat to the U-S as the Soviet Union did in its day. The likely G-O-P presidential nominee made the criticism in Chicago ... Obama's home turf.=McCain's national finance co-chairman has stepped down. Former Texas Congressman Thomas Loeffler (LEHF-luhr) was one of McCain's key fundraisers. He resigned after a new McCain policy requires campaign volunteers to disclose their lobbying connections=And a former Ku Klux Klan member has endorsed Obama. Senator Robert C. Byrd was a one-time opponent of civil rights legislation ... But now says he supports Obama ... who's hoping to be the nation's first black president. ___ ___, The Associated Press, with AP Campaign Minute.(****END****)