Devastated by Trump's win, Democrats count on Pennsylvania for a comeback

NORRISTOWN, Pa. - Pennsylvania was President Donald Trump's proudest conquest in 2016, a state no Republican had won in a presidential election for nearly three decades and a victory he is still talking about.

But in both suburbs and rural areas this year, Democrats are mounting a comeback with implications not only for November's midterm elections but the 2020 presidential race - just as soon as they settle Tuesday's messy primaries...