Once again on his party's biggest stage, President Donald Trump put himself in the center of the midterms, urging his supporters to pretend "I'm on the ballot" in a bid to energize the GOP at the party's midterm convention in Dallas.

"We're running together," Trump said.

"This is the most important election of your lives." Here are some key takeaways from his speech and the first day of the convention: In an arena filled with photos from across his political career, speaking to his most loyal supporters, Trump urged his Republicans to defy the historic trend of the sitting president's party losing seats in the midterms, touting his accomplishments, taunting Democrats and cajoling voters who tuned in.