Reno, Nevada (CNN) - It’s not every day the President of the United States shows up on your doorstep. But that was the case for Paul and Val Keller at their Reno, Nevada, home on Friday.

The reason for the president's visit was to highlight problems with mortgage refinancing and to urge Congress to do more to help homeowners. Many families, like the Kellers, are struggling to refinance their home because they owe more than their home is worth. The Kellers purchased their $168,000 home fourteen years ago, yet now it is only worth $100,000.

(CNN) – The candidates and their campaigns hold public events Friday, making stops in North Carolina and Nevada.

See their schedules after the jump.
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(CNN) – Former GOP presidential candidate Gary Johnson won and accepted the presidential nomination of the Libertarian Party on Saturday, which his campaign said earns him a spot on November ballots in all 50 states.

Johnson, a former governor of New Mexico and business owner, won the nomination with more than 70% of the vote at the party convention in Las Vegas. He entered the Libertarian primary race after dropping his 2012 Republican bid in late December.
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(CNN) - First lady Michelle Obama wrapped up a day of campaign stops in New Mexico and Nevada on Tuesday, finishing her four-state swing in likely battleground territory this fall.

As her husband landed in Afghanistan for a surprise trip, the first lady was speaking at a private fundraising event at the Los Poblanos Inn and Cultural Center near Albuquerque, New Mexico.
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Boulder City, Nevada (CNN) - President Barack Obama kicked off a two-day energy tour on Wednesday with a stop here at the largest photovoltaic – producing voltage from energy sources such as light – solar facility in the United States, Copper Mountain Solar 1.

Speaking just 30 miles south of the Las Vegas strip, Obama reaffirmed his administration's commitment to an "all of the above" approach to domestic energy production, and called the solar sector an "industry on the rise."

(CNN) – Sharron Angle, the tea party aligned Republican who came close to unseating Senate Democratic leader Harry Reid in 2010, announced Friday that she would not seek elected office this cycle.

The former Nevada state legislator who has been unsuccessful in several bids for federal offices announced this and plans to produce a documentary in an e-mail sent to supporters by her political committee, Our Voice PAC.
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Las Vegas (CNN) - One minute, he's checking a cat's mouth for gingivitis. The next, he's carefully bandaging a dog's bloody, broken nail.

This could be any hard-working veterinarian tending to ailing animals. But the embroidered name on his crisp white medical coat bears a familiar name: Dr. John Ensign.

(CNN) – Mitt Romney won Saturday's Nevada caucuses with his highest portion of a state's vote yet, just over 50%, according to certified results released Monday by the Nevada Republican Party.

Romney, the former Massachusetts governor who also won the state's GOP caucuses in 2008, received more than twice the votes of his closest opponent.
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Washington (CNN) – Newt Gingrich said Sunday he is plotting a Southern revival, while Rick Santorum and Ron Paul seek stronger showings in upcoming caucuses to slow front-runner Mitt Romney's momentum after his second straight victory in the Republican presidential race.

Romney's triumph Saturday in the Nevada caucuses, following his convincing triumph last week in Florida, bolstered the perception that the former Massachusetts governor may be unstoppable in his second bid for the GOP nomination.

Las Vegas (CNN) – Mitt Romney swept into victory in the Nevada caucuses, sliding back into frontrunner status with his second win in a row as the race for the Republican nomination heads to other states.

The former Massachusetts governor moves to the next phase as the first candidate in this campaign cycle to score consecutive victories days after his Florida win.