Sen. John McCain’s victory in the Aug. 24 Arizona Republican primary was fueled partly by transfers of $7.5 million from his 2008 presidential campaign compliance fund — an account GOP Congressional strategists are now eyeing as they look to finance a growing list of competitive midterm races. McCain’s compliance fund reported $17.1 million in cash on hand as of June 30, with $4.65 million in transfers to the Senator’s re-election committee having been made during the second quarter of this year. Additional transfers were made before the August pre-primary fundraising reporting deadline. McCain also used the compliance account to make...