Trump again blasts 'communists', hails US as history's 'crowning achievement' on 250th anniversary

US President Donald Trump on Saturday hailed America as the "crowning achievement of human history" in a Fourth of July speech celebrating 250 years of US independence in Washington. Trump claimed that under his presidency, the United States was "prouder than ever before", even as he used the event to renew his attack on domestic opponents he branded "communists".