Rep. Sheila Jackson Lee, D-Houston, speaks at a Washington, D.C., rally in support of the Senate passing a federal assault weapons ban on Friday, March 24. Credit: Julia Nikhinson for The Texas Tribune

Rep. Sheila Jackson Lee, D-Houston, speaks at a Washington, D.C., rally in support of the Senate passing a federal assault weapons ban on Friday, March 24. Credit: Julia Nikhinson for The Texas Tribune

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U.S. Rep. Sheila Jackson Lee is running for Houston mayor

Jackson Lee enters a mayoral contest that is already well underway. The early frontrunner is state Sen. John Whitmire, D-Houston, and his competitors include Chris Hollins, the former Harris County clerk, and Amanda Edwards, a former City Council member.