Cruz defended a statewide law in 2007 as Texas's solicitor general.
Researchers have blamed oil and natural gas drilling for the spike in quakes.
While he offers Republicans a break from the past, he offers no road to the future.
Rubio said he didn’t claim he would “clean house” on Super Tuesday.
The victory helps Cruz position himself as the viable alternative to Trump.
Trump is leading polls in eight of the 11 states.
Super Tuesday is looking like it will be a strong day for Hillary Clinton.
"Rubio is killing it," Beck wrote.
He also went after Trump for not giving details about what he'd do as president.
The decision likely spares the former governor from a possible trial and prison sentence.
The Houston Chronicle and San Antonio Express-News both snubbed the home-state senator.
Primary losses by incumbent House members are rare, but three Houston congressmen face challenges...
"His home state is not Florida, it is Texas," Trump noted.
The Texas Border Coalition ripped Donald Trump's response to the Brussels attacks.
Neil Bush and wife Maria were among the 13 new additions to Cruz's team.
The win gives Clinton six victories on Super Tuesday, with Sanders only notching one so far.
Clinton adds Tennessee and Alabama to her win column.
Polls suggest Cruz will win, but nothing is for certain.
Trump is speaking to supporters in Fort Worth, Texas.
The state of the GOP race could lead to fireworks at tonight's debate.
The Texas senator takes 35 percent to Trump's 20 percent, new poll finds.
A Trump spokeswoman said it's "very likely" he could win in the state.
The Dallas Morning News said Cruz "threatens to take the Republican Party to a dark place."
A fertilizer plant in West, Texas exploded in 2013, killing 15.