Latest "social-media" stories
Among the tweets were one from President Trump's official re-election campaign and another in which the president disparaged the Democratic Party and presidential candidate Bernie Sanders.
The College Board just announced its #CLEPOut Challenge, and the grand prize is $5,000 for the winning campus organization.
By Joshua Axelrod
Among more than 3,000 tweets this year, the president included a handful of major defense and veterans policy announcements.
Oxford researchers say they see patterns of foreign activists trying to confuse or upset military communities online.