<p>&nbsp;Current Baltimore County Executive Johnny Olszewski won a second term in office after Republican challenger Pat McDonough.</p> <p>Olszewski led Republican challenger Pat McDonough by nearly 20 points on election night.</p> <p>"Considering all that we have done together, I have never never been more optimistic for our county, the Baltimore region, and for the state of Maryland," said Olszewski.</p>