Four key takeaways from Republican midterms convention

Figure caption, Watch: Trump tells supporters their vote will decide if country "stumbles" or "moves forward"ByDaniel Bush Washington correspondent, reporting from Dallas The Republican Party's first midterms convention had all the trappings of the traditional presidential election-year gathering: supporters in sparkling costumes, a conveyor belt of candidate speeches, and vendors selling campaign merchandise.But unlike an ordinary convention, no official party business was conducted in Dallas, with the event instead serving as a rally for Republicans who are seeking to boost turnout and avoid losing control of Congress in November.President Donald Trump, whose grip over the party remains absolute, delivered a lengthy keynote speech on Wednesday during the opening night of the two-day event. He covered many of the subjects he has returned to time and again this year - with a few surprises thrown in.Here are the key takeaways from his address.1. Preaching to the MAGA choirThe vast arena was filled with diehard Trump supporters sporting red MAGA gear from his past presidential campaigns. A decade after his first White House run, Trump is still beloved among his base and he has bent t...