Key races to watch Tuesday in Texas:

— PRESIDENT

At stake are the state’s 36 presidential electoral votes

R: Former Mass. Gov. Mitt Romney

D: President Barack Obama.

— U.S. SENATE

Winner replaces retiring Republican U.S. Sen. Kay Bailey Hutchison

R: Ted Cruz, former Texas solicitor general from Houston

D: Paul Sadler, former state representative from Henderson

— U.S. HOUSE

District 23: Runs from San Antonio to eastern El Paso County

R: Francisco “Quico” Canseco, the races incumbent, a first-term U.S. representative from San Antonio

D: Pete Gallego, nine-term Texas state representative from Alpine

District 14: Stretches along the Gulf Coast to encompass cities such as Beaumont while skirting the suburbs south of Houston

R: Randy Weber, two-term Texas state representative originally from Pearland but who recently moved to Alvin to be within the district

D: Nick Lampson, served four terms as a U.S. representative from Beaumont but was defeated in 2004

— STATE SENATE

District 6: Houston

R: Rasuali Bray businessman and U.S. Air Force veteran from Houston

D: Mario Gallegos, Jr., incumbent from Houston who died in October of liver failure

District 10: Fort Worth

R: Mark Shelton, one-term Texas state representative from Fort Worth

D: Wendy Davis, the race’s incumbent, first-term Texas senator from Fort Worth

— STATE HOUSE

District 34: Corpus Christi

R; Connie Scott, incumbent

D: Abel Herrero

District 43: South Texas and the Coastal Bend

R: J.M. Lozano, incumbent

D: Yvonne Gonzalez Toureilles

District 78: El Paso

R: Dee Margo, incumbent

D: Joseph Moody

District 105: Irving

R: Linda Harper-Brown, incumbent

D: Rosemary Robbins

District 107: Mesquite

R: Ken Sheets, incumbent

D: Robert Miklos

District 114: Dallas

R: Jason Villaba, incumbent

D: Carol Kent

District 117: San Antonio

R: John Garza, incumbent

D: Philip Cortez

District 134: Houston

R: Sarah Davis, incumbent

D: Ann Johnson

District 144: Pasadena; Incumbent Ken Legler wasn’t planning to run again but died of a heart attack in June

R: David Pineda

D: Mary Ann Perez

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