12 Democrats meet for first debate since impeachment inquiry

Westerville, Ohio • Joe Biden is facing baseless but persistent allegations of wrongdoing overseas that could undermine his argument that he’s best positioned to defeat the president. Bernie Sanders is recovering from a heart attack that raised questions about his ability to withstand the vigor of a presidential campaign. And Elizabeth Warren is fending off new scrutiny of her biography.A dozen Democratic presidential candidates will meet on Tuesday for the most crowded presidential d