Use this interactive to explore the geographic distribution of committee members in the Texas House, by committee, to see who's got what clout on what subject. Choose a committee and the map highlights the district of each member and, in a different color, the home districts of the chairs, vice chairs and co-chairs.

Lt. Gov. David Dewhurst and Ted Cruz will spend the month of July fighting to win the Republican nomination for U.S. Senate. Turnout and campaign messages will play a key role in who claims victory.

After 12 years of rule under the conservative National Action Party, Mexicans on Sunday elected Enrique Peña Nieto, a candidate from the Institutional Revolutionary Party, to lead Texas’ largest trade partner and southern neighbor. 

Repercussions from Mexico's presidential election Sunday may soon begin to ripple north.

I'm pleased to report that the Trib's first-half-of-the-year traffic and fundraising numbers are significantly ahead of where they were in 2011.

On Sunday, Texas became the sixth state in the country to charge sales tax on items sold by the online megaretailer Amazon. The switch comes after a deal was struck earlier this year in response to the state's claims that Amazon owed millions of dollars in uncollected sales tax.

Your evening reading: Texas candidates outspending rest of nation on ads; new Mexican president begins transition to power; Burgess endorses Cruz

The voting is over, but the counting may not be, after Mexico's election Sunday. Candidate Andres Manuel López Obrador, who came in second in the presidential race, said Monday evening that he would challenge the results.