Sen. Kyrsten Sinema (I-AZ) has spent almost $210,000 on private charter flights for herself and her staff using taxpayer cash, according to a report from The Daily Beast. “Given that senators have limited annual budgets to fund their operations, Sinema’s use of private flights also raises questions about why she is prioritizing that expense over other essential functions of her office,” writes the The Beast’s Sam Brodey. Brodey points to Sinema’s home-state colleague, Sen. Mark Kelly (D-AZ), who reportedly never used his Senate budget for chartered flights. Brodey contends that the flights rai…