Questions Mount Over Clinton Emails

A congressional committee issued subpoenas Wednesday seeking information about Hillary Rodham Clinton’s use of a private e-mail account for official business while she was secretary of state, setting up a potential legal clash with the presumptive Democratic front-runner for president.

A string of damaging stories about Hillary Clinton's activities as Secretary of State -- including the new controversy surrounding her email habits -- are giving fresh ammo to Clinton skeptics who have grown resigned lately to the idea of a Democratic coronation instead of a genuine, competitive primary.