A daily roundup of the biggest headlines in Bay Area and national news.

Obama Enters Round Two

100 days have passed since President Barack Obama’s first day in office, marking a dramatic shift from the previous administration, CNN reports. Obama, who has an approval rating over 60 percent, will still face challenges passing legislation on health care and immigration in the days ahead.

Chrysler to Declare Bankruptcy

The Los Angeles Times is reporting that the car company Chrysler plans to file bankruptcy and form a government-backed alliance with Fiat. The deal between the two companies will be announced later today.

Confirmed Swine Flu Cases Double

The World Health Organization announced today that the number of confirmed swine flu cases worldwide has risen to 236, with most of the new cases stemming from Mexico, CNN reports. There were just 147 cases as of yesterday.