Sen. Kyrsten Sinema (I-AZ) announced Tuesday that she is abandoning her hopes for reelection and will step down at the end of the year. In a message posted to X, Sinema suggested partisan politics were to blame. “Our democracy was weakened by government dysfunction and the constant pull to the extremes by both political parties,” she said. “Yet, despite modernizing our infrastructure, ensuring clean water, delivering good jobs in safer communities, Americans still choose to retreat farther to their partisan corners.” Want more breaking political news? Click for the latest headlines at Raw Stor…