https://apnews.com/060f8e089839475da0b31783f810be45 > WASHINGTON (AP) — President Donald Trump is gathering conservative groups at the White House this week for a "summit" on social media that will prominently snub the tech titans who run big platforms on Facebook, Twitter and Google. > It's a sharp contrast to earlier days in Trump's tenure when tech executives were occasional celebrity guests at the White House, serving as a fresh indication of the president's escalating battle with Big Tech.