With a pledge to empower America's "forgotten men and women," Donald Trump was sworn in as the 45th president of the United States on Friday, taking command of a nation facing an unpredictable era.The billionaire businessman and reality TV star — the first president who has never held political office or high military rank — promised to stir a "new national pride."Trump's presidency has brought feelings of joy to many in Warren County as he claimed a dominating election victory here and throughout Tennessee. McMinnville resident Patty Riffe celebrated inauguration day by placing a Trump sign in her yard, complete with red, white and blue bow."He says he will emphasize jobs and I'm hoping McMinnville will get some of the trickle down on industry and we'll get some more manufacturing here," said Riffe. "If the economics change for our country, it might be a windfall for Tennessee.Warren County Republican Party chair Ben Nixon says he's "very excited" about four years of a Trump presidency."I think he'll excel in the medical area," said Nixon.