Democrats say retreat reinvigorated party BY TRICIA CORTEZ Times staff writer AUSTIN - Democrats in the Texas House of Representatives quickly showed their Republican brethren Friday morning they were serious about tackling the legislative calendar. Some also commented, "finally, the Texas Democratic Party is showing some backbone." "I want to thank Tom Delay for galvanizing the Democratic Party," state Rep. Aaron Peña (D-Edinburg) said Friday morning before entering the Capitol for 9 a.m. roll call. "He has done what we Democrats have been unable to do for a couple of decades-unite and excite the party." State Rep. Jessica Farrar, a...