Heres something you probably didnt know: Houston is reportedly the largest hub for child trafficking in the country. Shocked? Well, todays your chance to do something about it. Join Carolyn Farb and comedian/late-night talk-show host Craig Ferguson at the Stand Up for Houstons Childrendinner and performance, benefiting Children at Risks Center to End Trafficking and Exploitation of Children. 9 p.m. Verizon Wireless Theater, 520 Texas. For information, call 713-869-7740 or visit www.childrenat-risk.org. $55 to $100.