U.S. presidential candidates have long come to Silicon Valley to raise money and, with a tech company campus as a backdrop, talk about innovation and the future. But this year, things are different.

ON THIS DAY IN AMERICAN HISTORY On Sept. 5, 1995, legendary baseball player Cal Ripken Jr. breaks the record for most consecutive games played. By playing in his 2,131st game, the Baltimore Orioles’ shortstop broke Lou Gherig’s record. Ripken’s streak began on May 30, 1982. The future Hall of Fame player continued to build on his streak up to 2,632, but on Sept. 19, 1998, he took himself out of a game. Ripken retired after the 2001 season and was inducted into the Hall of Fame in 2007. A record 75,000 attended his induction. Ripken’s streak stands today.

Robert Mugabe, who ruled the southern African nation of Zimbabwe for 37 years following the end of white minority rule in 1980, has died. He was 95 years old. Some hail him as a liberation hero who stood by his principles. Others say he rigged elections, destroyed the economy of what was once Africa’s breadbasket and terrorized his people for decades.

VIDEO: Ghana is famous for its cocoa , the main ingredient in chocolate. It supplies about 20 percent of the world’s market. This year, the government announced plans to raise cocoa incomes, but cocoa bean farms are being destroyed, with or without the farmers’ consent, as their landlords end their leases early, opting for other crops, development or mining.

After the horrors of fleeing to Sinjar Mountain in northern Iraq to escape Islamic State fighters in 2014, several hundred Yazidi refugees are starting new lives in the Australian outback.

The World Health Organization has reached an agreement with Facebook to direct millions of users to WHO sites where they can get accurate information about vaccines.