The Latest on the 2016 presidential campaign a day before the Republican presidential debate and ahead of Saturday's Democratic presidential primary in South Carolina : Marco Rubio has attacked Donald Trump by name, criticizing the candidate he called the GOP front-runner for not strongly opposing the federal health care law and for suggesting he could be a moderator in the Israeli Palestinian conflict.<br />At a Houston rally, the Florida senator said "the front-runner in this race, Donald Trump, has said he's not going to take sides on Israel versus the Palestinians because he wants to be an honest broker."<br />Ted Cruz is pledging to order a federal investigation of Planned Parenthood if elected president and says undercover videos appear to show the health provider is "a national criminal enterprise."<br />Activists secretly recorded videos they allege show that Planned Parenthood sold fetal tissue to researchers for a profit in violation of federal law.
