Lindenwood University laid off 12 staff and two faculty members this past week, citing an effort to cut its operating budget by 10% as it anticipates enrollment to be impacted by nationwide federal student aid delays. University spokesperson Julee Mitsler confirmed the layoffs Friday. In addition, the university won't be filling dozens of open positions, leaving about 620 full-time employees. "To maintain Lindenwood’s strong financial position, the University is planning appropriately," Mitsler…