OnPolitics Today: Everything is looming

Happy Monday, OnPolitics readers! Welcome back to the first newsletter edition of OP! And what a week for it to make its debut, the way everything is already shaping up to be, from the marking of President Trump's first 100 days to Barack Obama getting back from his vacay to the government maybe shutting down.

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Only (about) 1,361 days to go

Saturday will mark 100 days since Donald Trump assumed the presidency. And if you thought the first 100 days were, er, rough (failed temporary travel bans, a failed health care bill and really, what is happening with Russia?), then just imagine that times 13. The president is already yelling about how the media is going to portray his first few months in office — never mind that he was totally about the first 100 days while he was on the campaign trail. Whatever your personal feelings about all of this, keep an eye out for the rest of our 100 days coverage this week. Up now: What can we tell about from 100-ish days of tweets? That he's only skipped two days of Tweeting, that Sunday is the day of rest and that he really likes to call it the "failing @nytimes."

Guess who's back, back again

After trolling the world with his vacay photos — Richard Branson, why won't you take *us* kitesurfing? — Barack Obama is back. "What's been going on?" he joked while speaking at the University of Chicago, making everyone groan because whatever office he does or does not hold, Obama will always be a dad with dad jokes. He talked about being civically engaged and the ever-increasing partisanship in politics. But there are two words he didn't say: Donald Trump. He managed to get through his first post-presidency appearance without talking about his successor at all. That's just what former presidents do.

Countdown to shutdown

Start your clocks, because we've officially entered federal government shutdown territory. Funding runs out at midnight on Friday, and there's one big issue looming* over everything: The Wall (as two interestingly timed tweets from Trump noted). Congressional Democrats insist that President Trump give up his demands to start funding The Wall, because otherwise, we're going to have a shutdown on our hands. According to House Minority Leader Nancy Pelosi, things were just fine (you know, for Congress) until the White House intervened. Trump spokesman Sean Spicer didn't say whether the president would veto a bill if it didn't include funding for The Wall. And there we are. Learn how a shutdown would affect you.

Elsewhere in Politics Land

• That time that Mar-a-Lago was a story because someone tweeted about it
• Makes Mars great again
• Trump sanctions Syria, says United Nations needs to do more
• As executions loom, Supreme Court splits on mental health claims

*We realize that only journalists seem to use the word "looming" and we apologize on behalf of the media everywhere