At Donald Trump's Republican convention, America was a nation spiraling into chaos and economic ruin. "America needs every one of us to lend our energy, our talents, our ambition to making our nation better and stronger," Hillary Clinton said as she became the first woman to lead a major U.S. political party toward the White House. Amid a turbulent summer at home and abroad, Clinton is accusing Trump of trying to scare voters into taking a chance on a political novice. That's a surprise to some Democrats who see Trump as glaringly unprepared for the presidency. [...] it's a relief to Republicans who believe Clinton is unacceptably corrupt and who feared Trump's unorthodox candidacy might deprive them an excellent chance to regain White House and cost them seats in the House and Senate. Vincent Fort, a Georgia state senator who attended the Democratic convention, hoped Clinton gave voters reasons to be optimistic about her ability to tackle the nation's pressing problems. [...] to Sam LeDoux, a 24-year-old Republican delegate from New Mexico, Trump's dour assessment of America more accurately reflects that "we're in a very dark time right now." When President Barack Obama carried about 53 percent of the popular vote in 2008, his victory was seen as sweeping and decisive. Texas Sen.