A top Democratic pollster has a new survey that shows President Joe Biden is still in contention against Donald Trump but is at risk of losing the election. Other leading Democrats are now surging ahead. The national poll was conducted and commissioned by Bendixen & Amandi after the fallout from Biden and Trump’s debate and shared with POLITICO. It found Biden trailing Trump 42 to 43 percent. Of the 86 percent of likely voters who watched all or part of the debate, only 29 percent said Biden has the mental capacity and physical stamina to serve for another four years,...