U.S. Rep. Juan Ciscomani (center) tours the Lucid electric vehicle factory in Casa Grande in 2023. (Photo via @RepCiscomani/X)Since it was created in 2021, Congressional District 6 has been Arizona’s most competitive district, with an electorate that is nearly evenly divided between Republicans and Democrats. But a growing dislike of President Donald Trump and the fiscal impacts of his administration’s policies on the district are likely to ta…