ABC anchor George Stephanopoulos said Sunday on “This Week” that a new ABC News/Washington Post poll shows 54% of Americans do not believe President Joe Biden is mentally sharp during his interview with White House press secretary Jen Psaki. Stephanopoulos said, “The president is approaching his State of the Union in a pretty difficult political position right now, 37% approval rating, Democrats trailing badly in the midterm polling. A majority in our recent poll out this morning even question the president’s mental capacity. How is he going to turn that around on Tuesday night? And how much has his State...