PRESIDENTIAL RACE

FRANKLIN, Tennessee — Hillary Clinton acknowledged she has work to do in convincing voters that she has their best interests at heart, even as the former U.S. secretary of state she savored her weekend win over rival Democratic presidential candidate Bernie Sanders in the Nevada caucuses. 

BOLIVIA-MORALES-REFERENDUM

LA PAZ, Bolivia — A bid by President Evo Morales to amend Bolivia's constitution so he could run for a fourth term trails narrowly in a national referendum, according to a slow moving official vote returns and to unofficial partial vote counts.

ZIKA-VENEZUELA CHALLENGES

CARACAS, Venezuela — As Zika spreads in the Americas, Venezuela faces a lack of bug spray to deter mosquito bites, scant contraceptives to avert pregnancies, little medicine to treat Zika-linked maladies and no effective public health campaign to inform people about the disease. 

SUPER-SKINNY SKYSCRAPERS

NEW YORK — Technology allows skyscrapers to have footprints no more than the width of a brownstone or two, a far cry from the massive city block an older building like the Empire State Building requires. 

RUSSIAN OVERFLIGHTS

Russia is planning to ask permission to start flying surveillance planes equipped with high-powered digital cameras over America amid warnings from intelligence and military officials that such overflights have become instrumental in Moscow's ability to collect intelligence on the United States. 

KALAMAZOO SHOOTINGS

KALAMAZOO, Michigan — Authorities trying to piece together an hours-long weekend rampage that left six dead in western Michigan said they are looking into a report that the suspect picked up fares for a ride-hailing service between shootings. 

APPLE ENCRYPTION

WASHINGTON — The county government that owned the iPhone in a high-profile legal battle between Apple Inc. and the U.S. government paid for but never installed a feature that would have allowed the FBI to easily and immediately unlock the device as part of its terrorism investigation into the shootings that killed 14 people in San Bernardino, California. 

NEWTOWN SHOOTING-GUN MAKER

BRIDGEPORT, Conn. — Lawyers for the company that made the rifle used to kill 20 first-graders and six educators at Sandy Hook Elementary School in 2012 are expected to ask a Connecticut judge to dismiss a wrongful death lawsuit filed by families of some of the massacre victims.