PRESIDENTIAL RACE

COLUMBIA, South Carolina — Hillary Clinton overwhelms Bernie Sanders in the South Carolina primary, drawing staggering support from the state's black Democrats and putting her in a strong position as the race barrels toward crucial multi-state contests on Tuesday. 

ZIKA-PUERTO RICO

SAN JUAN, Puerto Rico — Leilani Dominicci has all the typical worries of pregnant women plus a new one spreading across Puerto Rico: the fear she will become infected with the Zika virus and put her baby at risk. 

MEXICO-TRUMP

MEXICO CITY — Former Mexican President Felipe Calderon joins his predecessor in office in unloading on Donald Trump, calling the Republican front-runner's campaign racist and saying his discourse on immigration is fueling anti-American sentiment around the world.

SUPREME COURT-ABORTION

WASHINGTON — The Supreme Court challenge to a Texas law that has dramatically reduced the number of abortion clinics in the state is the justices' most significant case on the hot-button issue in nearly a quarter-century. By Mark Sherman and Kim Chandler.

BRAZIL-FILTHY WATER

RIO DE JANEIRO — Activists alleging that decades of neglect and authorities' repeated failure to make good on cleanup promises have effectively killed one of Rio de Janeiro's most iconic waterways stage a symbolic burial of the Guanabara Bay, the sewage-filled waters where Olympic sailing competitions are to be held.