By Kelly Yamanouchi, The Atlanta Journal-Constitution Troy Warren for CNT #Travel #COVID-19 Labor Day weekend traditionally brings a chance to squeeze in one final summer vacation, but the delta variant is complicating traveler plans. The three-day weekend is expected to draw crowds to roads and airports, but the recent increase in COVID-19 hospitalizations and infections could curb some trips. Centers for Disease Control and Prevention Director Rochelle Walensky said Tuesday vaccinated Americans should be careful and wear masks if traveling. “If you are unvaccinated, we would recommend not traveling,” she added during a White House press briefing. The concerns started rising last month amid…