(Ed. note: This is the first of a series of stories we'll be publishing between now and March 2 in which Tribune reporters will profile legislative districts around the state with contested party primaries. All of the stories will be archived on a new topic page on 2010 legislative matchups.)
State Rep. Al Edwards, D-Houston, and former State Rep. Borris Miles are vying for the same Texas House seat for the third time. In a district with a high dropout rate, a high incidence of HIV infection, and a high percentage of people without health insurance, they predictably disagree about who can best deliver on promises of help, hope and change.