Twitter and Facebook become targets in Trump and Biden ads

CHICAGO (AP) — Social media has become the target of a dueling attack ad campaign being waged online by the sitting president and his election rival. They're shooting the messenger while giving it lots of money. President Donald Trump has bought hundreds of messages on Facebook to accuse its competitor, Twitter, of trying to stifle his voice and influence the November election. Democratic challenger Joe Biden has spent thousands of dollars advertising on Facebook with a message of his own: In dozens of ads on the platform, he's asked supporters to sign a petition calling on Facebook to remove inaccurate statements, specifically those from Trump. The major social media companies are...