(CNN)As former President Donald Trump prepares for a potential comeback bid in 2024, his allies are flocking to election jobs all the way down to the local level in key battleground states, raising new concerns that the election officials who blocked Trump's efforts to overturn the 2020 election won't be there the next time around. Trump himself has endorsed candidates for secretary of state and attorney general -- statewide races that play a crucial role in administering elections -- who have spread his lies about 2020. But in addition to statewide roles, Trump's acolytes are pursuing local election posts, even...