A blitz of citizenship ceremonies personally ordered by Immigration Minister Tony Burke was needed to clear a "huge backlog", the minister has said, pushing back on claims of political interference raised by the Coalition. Opposition Leader Peter Dutton said there were "reasonable questions for the government to answer" after two Western Sydney mayors complained to the Daily Telegraph that Mr Burke had personally attended extra ceremonies in their local areas, which they suggested had a political motive given the new citizens would be eligible to vote in key seats Labor is defending at the upcoming federal election. "Why would you...