Enlarge photo illustration by: Todd Wiseman

President Obama has released an update to his list of volunteer fundraisers, also known as "bundlers," that raise money on his behalf. And Texas bundlers collected at least $3.4 million for Obama's 2012 campaign.

Enlarge photo by: Bob Daemmrich

Republican Tom Leppert makes a point during the TPPF's U.S. Senate candidate debate in Austin on January 12, 2012.

Former Dallas Mayor Tom Leppert has released his tax returns for 2008 through 2010, following the lead of his fellow Republican U.S. Senate candidates. Leppert reported an adjusted gross income of $443,000 in 2010, along with $95,856 in total taxes.

Enlarge photo by: Gage Skidmore

Hot on the heels of his fellow GOP Senate candidates Craig James and David Dewhurst releasing their tax returns, Ted Cruz has provided the Tribune with the last five years of his tax filings.

Enlarge photo by: Bob Daemmrich

Lt. Gov. David Dewhurst

Following the lead of fellow Republican U.S. Senate candidate Craig James, Lt. Gov. David Dewhurst has released his tax returns from 2009 and 2010. James on Thursday urged his fellow candidates to release their returns from the last five years.

Enlarge photo by: Bob Daemmrich

Former ESPN commentator and football player Craig James pauses during the U.S. Senate candidates debate sponsored by TPPF in Austin on January 12, 2012.

Craig James, the former sports commentator who is running to replace Republican U.S. Sen. Kay Bailey Hutchison, has released his tax returns from the last five years. Expect his opponents to follow suit. 

Enlarge graphic by: Propublica / Todd Wiseman

The team over at ProPublica has created a new news app called PAC Track that tracks Super PAC expenditures. The Make Us Great Again Super PAC has spent $3.8 million in support of Rick Perry. Endorse Liberty, the Ron Paul Super PAC, has spent nearly $3 million.

Enlarge photo illustration by: Todd Wiseman / Gage Skidmore

Rick Perry attacked Mitt Romney on Tuesday for his history at Bain Capital, a private equity firm. Similar companies, though, have contributed generously over the past 11 years to the Texas governor's campaigns.

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Want to track the results live in Iowa? Using data provided by the Iowa Republican Party via Google, WNYC has built an embeddable app that will update live as results come in this evening.

Enlarge photo by: Justyna Furmanczyk

The Lone Star State is getting bigger. Texas had the largest population growth of any state between April 2010 and July 2011, according to figures released today by the U.S. Census Bureau.

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The Sunlight Foundation released an update to the interactive Capitol Words on Monday. The application allows users to search and compare words spoken by federal legislators using data from the Congressional Record.

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This gurney is used to perform executions at Terre Haute by lethal injection.

Texas ranks third in the number of exonerations in the United States since 1989, according to data compiled by Mother Jones. Take a look at how Texas compares to other states across the nation with this map.

Enlarge photo by: Marjorie Kamys Cotera

GOP PResidential hopefuls, Herman Cain and Newt Gingrich before Lincoln-Douglas type debate on November 5th, 2011 The Woodlands, Texas

He may be the new Republican presidential front-runner, but Newt Gingrich has been well behind his rivals in raising campaign cash from Texas.

Enlarge photo illustration by: Todd Wiseman

President Barack Obama released an updated list of volunteer fundraisers, known as "bundlers," who raise money on his behalf. Of the more than 350 bundlers listed, 17 Texas fundraisers have collected more than $2.7 million.

Enlarge photo illustration by: Todd Wiseman / Jay Root

The Tribune loves infographics, including the recent one posted by the Perry campaign called “State of Texas Economy.” But like all claims made by a political campaign, it deserves the scrutiny of a fact-checking exercise.

Enlarge photo by: Bob Daemmrich

Gov. Rick Perry listens to U.S. Rep. Michele Bachmann's speech at an event in Waterloo, Iowa, on Aug. 14, 2011.

Rick Perry defended a $5,000 contribution from Merck at Monday night's debate, but according to campaign finance data from the Texas Ethics Commission, the governor's estimate of the drug company's support was on the low side.