Billionaire businessman Donald Trump extended his lead in the first prominent post-debate poll released by NBC News Sunday. Post debate NBC poll: Trump 29% Carson 14% Carly 11% Jeb 8% Cruz 7% Rubio 7% Rand 3% Christie 3% Walker 3% Kasich 2% http://t.co/PywxlCgGfk — Howie Klein (@downwithtyranny) September 20, 2015 Trump was also viewed as “most presidential” among the GOP candidates. NBC News reported: More than a third of Republican voters say that Carly Fiorina performed best in the Wednesday night debate on CNN. But debate performances don’t translate into vote preference overnight, and Donald Trump maintains his position at...