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WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

WASHINGTON (AP) -- Mitt Romney won nearly all the convention delegates a three-primary sweep, adding to a lead that will be insurmountable without a dramatic shift in the race for the Republican nomination for president....

WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

WASHINGTON (AP) -- Former Pennsylvania Sen. Rick Santorum picked up 10 convention delegates by winning Louisiana's Republican presidential primary Saturday....

OBSERVATION POST OUELLETTE, South Korea (AP) -- Razor-wire close to the border, President Barack Obama on Sunday paid his first visit to the tense zone separating North and South Korea amid new nuclear tensions. He told American troops stationed nearby they are protectors of "freedom's frontier."...

OBSERVATION POST OUELLETTE, South Korea (AP) -- Razor-wire close to the border, President Barack Obama on Sunday paid his first visit to the tense zone separating North and South Korea amid new nuclear tensions. He told American troops stationed nearby they are protectors of "freedom's frontier."...

MIAMI (AP) -- Attorneys for the family of Trayvon Martin and the Florida neighborhood watch captain who fatally shot the unarmed teen joined the national chorus of voices calling Saturday for justice in the case....

ISLAMABAD (AP) -- Pakistan is better known for bombs than bombshells, militant compounds than opulent estates. A few enterprising Pakistanis hope to alter that perception with the launch of a local version of the well-known celebrity magazine Hello!....

CARACAS, Venezuela (AP) -- Venezuelan President Hugo Chavez flew to Cuba late Saturday to begin radiation therapy one month after undergoing surgery that removed a cancerous tumor....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....

WASHINGTON (AP) -- Rick Santorum turned in his most impressive performance yet with conservative, blue-collar and religious voters as he rode to triumph Saturday in Louisiana's Republican presidential primary, capturing robust support from people across the board, according to an exit poll of voters....