Washington (AFP) – So what do Americans see in Joe Biden — a doddery has-been whom even his own party doesn’t want around, or an improbable superhero? After an extraordinary week in Washington politics, the answer is a bit of both. The 79-year-old’s political obituary has been issued more times than can be counted since he took office in 2021 amid the political wreckage of Donald Trump’s presidency, a pandemic and fear of economic disaster. Now he’s fighting back. Or at least his alter-ego, a comically sinister cartoon character dubbed “Dark Brandon” is. In political nerd circles, the meme ha…