Apple readies another crack at ending Yosemite’s Wi-Fi ills

Apple is putting the final touches on the next update to OS X Yosemite as it again tries to stamp out Wi-Fi problems customers have experienced—and reported—since the operating system launched three months ago. In a seven-day span, Apple released two iterations of the beta of OS X 10.10.2, the first on Jan. 14, the second on