Gov. Rick Scott's hand-picked prosecutor in the Trayvon Martin case, State Attorney Angela Corey, told ABC News this weekend that convicting Martin's killer, George Zimmerman, could prove difficult.

An average gallon of gas in Florida was 10 cents below the $4 mark, and could top that amount in a couple of weeks, according to AAA. Floridas $3.90 a gallon average -- up 8 cents from a week earlier -- topped the national mark by 1 cent. AAA pointed to the impact on retailers: As gas prices climb, many retailers across the U.S. are seeing their profit margins tumble, Jessica Brady, AAA spokeswoman, stated in a release.

The U.S. Supreme Court takes up the long-anticipated Obamacare case today, and Republican National Committee Chairman Reince Priebus said the scheme has already been ruled guilty by the court of public opinion. "Two-thirds of Americans, according to recent polling, want the court to end all or part of Obamacare," Priebus said. "Regardless of the court's decision, voters have already declared Obamacare guilty -- guilty of increasing health-care costs, growing government, cutting Medicare and undermining the Constitution."

The Republican establishment and leadership continues to rally behind Mitt Romney as the candidate they want to challenge Barack Obama in November. On Monday, Romney announced that Kevin McCarthy, the California congressman who serves as the majority whip in the U.S. House, will serve as his campaign chairman in the Golden State.

President Obama has given himself the powers to declare martial law -- especially in the event of a war with Iran. It is a sweeping power grab that should worry every American, the Washington Times reports. On March 16, the White House released an executive order, National Defense Resources Preparedness.

Nothing unexpected happened Saturday in Louisiana as Rick Santorum easily won the Republican presidential primary in the Bayou State, beating front-runner Mitt Romney in another conservative Southern state. Were still here. Were still fighting. We still believe, as this race really shows, Santorum told supporters 1,500 miles away in a brewery in Green Bay, Wis. He said Romney had called to congratulate him.

An "unknown donor" presented former Dick Cheney with the gift of life Saturday, when surgeons at a Virginia hospital performed a heart transplant on the former vice president. Cheney, 71, had suffered five heart attacks over the past 25 years. He waited nearly two years for his new heart and is said to be recovering well in the intensive care unit of Inova Fairfax Hospital in Falls Church, Va.

Attorney General Pam Bondi thanked Gov. Rick Scott on Friday for signing a bill she backed, HB 1175, that would expand the list of banned synthetic drugs in Florida. This law bans dangerous new synthetic drugs and will clear Florida's store shelves of substances that are harming young people, Bondi stated in a release.

School districts across Florida will get to decide if their students can give prayers and other inspirational messages at school events as long as school district employees are not involved.Gov. Rick Scott signed HB 98 Friday. It becomes law July 1. The bill, opposed primarily by Democrats during the legislative session, was sponsored by Gary Siplin, D-Orlando.

Gov. Rick Scott used his weekly radio address Friday to hail the Legislature's passage of his economic package as "a huge victory for all Floridians" that will increase employment in the Sunshine State. Scott has made no secret of his emphasis on job creation in Florida, and continued to stress it Friday.

On "Fox and Friends" Friday, television personality Gerald Riviera -- possibly better known by his stage name, Geraldo Rivera -- put part of the blame for Trayvon Martin's shooting death on Martin himself. Or at least on what Martin was wearing -- a hoodie Rivera said was so associated with crime in the public mind that it stirs automatic suspicion. It's like traditional Muslim garb at an airport, Rivera said.

After the Louisiana primary on Saturday, the procession of states that are determining which Republican will challenge President Barack Obama in November slows down with the next round coming up on April 3, when the District of Columbia, Maryland and Wisconsin have their say. Wisconsin is the largest prize of the three with 42 delegates to the Republican convention in Tampa -- and a poll released on Friday shows Mitt Romney in solid shape to win the state.

On Friday morning, President Barack Obama spoke about the shooting of Trayvon Martin, the unarmed teenager shot last month in an incident that has garnered national attention. Noting that he wanted to be careful about what he said regarding the situation, Obama called the shooting a tragedy in his remarks. "When I think about this boy, I think about my own kids," Obama said. "And I think every parent in America should be able to understand why it is absolutely imperative that we investigate every aspect of this and that everybody pull together.

Televangelist Pat Robertson isnt holding back on his displeasure of the Denver Broncos bringing in four-time league MVP Peyton Manning before sending former University of Florida Heisman Trophy winner Tim Tebow to the secondary tenant of New Jerseys Meadowlands.

Republican presidential hopeful Ron Paul is the latest candidate to pile on Mitt Romney over one of his strategists comments comparing his candidates views to the Etch A Sketch toy. Paul launched a Web ad on Friday jabbing Romney adviser Eric Fehrnstrom for making the Etch A Sketch comment -- but it also attacks two other Republican presidential hopefuls in Rick Santorum and Newt Gingrich.