Prosecutors have asked former top government spokesman Hirokazu Matsuno and other executives of the ruling Liberal Democratic Party's largest faction, including Diet affairs chief Tsuyoshi Takagi, to submit to voluntary questioning over a political funds scandal, sources close to the matter said Thursday.Matsuno stepped down as chief Cabinet secretary last week amid allegations he failed to report more than 10 million yen ($70,000) in income from tickets he sold for fundraising events hosted by the intraparty group, the sources said.Matsuno served as secretary general of the intraparty grou…READ FULL ARTICLE