By Brandon Gage Republican United States Senate nominee Herschel Walker of Georgia on Monday shared his vision of how the American education system can be improved. His remarks followed reports that testing scores plummeted during the COVID-19 pandemic. But in his speech, Walker blamed President Joe Biden and incumbent Democratic Senator Raphael Warnock – neither of whom were in power when schools were initially shuttered at the height of the coronavirus crisis in 2020 under former President Donald Trump – for the learning deficits that millions of students are experiencing. “And then they’re …