 The next 24 hours are going to be rough for Harris County. She spoke on KTRK-TV. TSA agents screened 3 million airline passengers in a single day for the first time ever. Yesterday's record topping the June 23rd mark of more than 2.99 million passengers screened in a single day. Watching Wall Street, the Dow is up 168 points, NASDAQ ahead 9. More on these stories at townhall.com.