As many as 21 of Maine's 24 delegates to this year's Republican National Convention could be barred from participating if national party officials determine that selection rules were violated at the state convention in Augusta this weekend. Supporters of presidential candidate Ron Paul seized control of the two-day convention, electing the chairman and 20 national convention delegates who are loyal to their candidate. Backers of Mitt Romney, whose top attorney attended the event, have said the delegate selection process was unsound, claiming numerous violations of state party rules. Charles Cragin, a Romney supporter who lost a bid to chair the...