Sen. Marco RubioMarco RubioLongtime GOP incumbent will not seek reelection Overnight Defense: Commander calls North Korea crisis 'worst' he's seen | Trump signs VA order | Dems push Trump to fill national security posts What’s with Trump’s spelling mistakes? MORE (R-Fla.) on Tuesday sought to defend his attendance record in the Senate while putting it into the context of running for president.
"I have missed votes this year. You know why? Because while as a senator I can help shape the agenda, only a president can set the agenda," Rubio said during the first of three town halls he planned to hold in Iowa on Tuesday.