A.M. Splash: SF Teachers Set For Strike Vote; FDA Review Says Gilead's Truvada May Prevent HIV Infection; Electronic Arts to Lay Off Workers

San Francisco teachers are set for a strike vote this week over the district's demands to cut $30 million from teachers' salaries and benefits over the next two years. The union wants a 2 percent raise for teachers instead.

The White House and President Obama's campaign advisers insisted Monday that there was no difference between Obama's position on same-sex marriage and Vice President Joe Biden's, despite Obama's refusal to endorse legal marriage for gay and lesbian couples. Biden caused a stir Sunday when he told NBC's "Meet the Press" that he is "absolutely comfortable" with same-sex couples marrying.

Gilead Sciences' Truvada may prevent HIV infection among high-risk individuals, if used in combination with other health strategies, and is well-tolerated by individuals who have not contracted the virus that causes AIDS, U.S. Food and Drug Administration review documents said on Tuesday. Truvada -- a combination of Gilead's HIV drugs Emtriva, also known as emtricitabine, and Viread, or tenofovir -- represents a potential milestone in the evolution of the worldwide AIDS epidemic by offering a tablet capable of preventing infection.

A federal jury Monday delivered a messy split verdict in the trial over Google's popular Android mobile software, by finding that Google infringed copyrights held by tech rival Oracle but failing to answer a key question that Oracle needed to press its case for nearly $1 billion in damages. The result was a blow to Oracle's quest for a share of profits in the world's leading smartphone operating system. And it put some of the most important issues of the case back in the hands of a judge to decide.

Electronic Arts stock dropped as much as 10 percent Monday after the company announced a bevy of bad news, including a sharp decline in the number of subscribers to a high-profile game, a disappointing forecast for its current financial quarter and a $40 million restructuring plan.

Nearly 62 percent of Marin's registered voters have so far asked to vote by mail in next month's primary election. Ballots were mailed to voters Monday. "This is more vote-by-mail ballots in a primary than we've ever sent out this early," said Elaine Ginnold, Marin County's registrar of voters. "This is a record number."

As thousands of bicyclists hit Bay Area streets for Thursday's 18th annual Bike to Work Day, an increasing number will ride in a bike lane sure to grab the eye of even the most distracted driver. Bright green bike lanes -- really bright green -- are spreading throughout the region to make bicyclists more visible and to ensure safety where cyclists are most likely to mix with heavy auto traffic.