washington u.s. representative charlie dent seven-term moderate republican pennsylvania frequent critic president donald trump say thursday would seek re-election next year dent 57 say statement make decision midsummer run never plan serve five six two-year term congress lament atmosphere washington say plague disruptive outside influence profit increase polarization ideological rigidity lead dysfunction disorder chaos dent oppose trump fellow republican several high-profile issue include attempt repeal obamacare healthcare law president order temporarily ban travelers six muslim-majority countries easily re-election 2016 face primary challenge next year republican state representative justin simmons conservative brand dent liberal republican congress dent district eastern pennsylvania vote trump november back former democratic president barack obama 2008. dent co-chairs tuesday group moderate republicans outspoken voice call bipartisanship congress version story remove reference obama win district 2012 moderate republican u.s. congressman dent seek re-election