One man’s bullet would force him into the presidency, and but for one man’s vote he would have been forced out. Like the impeachment of President Clinton, the impeachment trial of President Andrew Johnson in 1868 also ended in an acquittal.And like President Clinton, Johnson was a Democratic president who faced a Republican-controlled Congress. And while many were hostile to him for his political agenda, it would be an event separate from his policies that would nearly bring him down.Before it would end, a drama would play out in the Senate filled with partisanship, legal hairsplitting, and the swing votes of a handful of Republicans. A “war” Democrat opposed to secession, in 1864 Johnson w