Quickly catch up on the day's news: Tuesday, January 2

(CNN)Here's what you might have missed on CNN today:

-- GOP Sen. Orrin Hatch will retire at the end of his term.
-- The death toll in protests across Iran jumped to 21. President Trump tweeted criticism of the Iranian regime.
-- Pakistan's government said recent comments from US leaders could damage the trust between the two countries.
    -- Israel's right-wing government accelerated plans that imperil a two-state solution.
    -- At least 36 people were killed when a bus fell down a cliff in Peru.
    -- Across much of the United States, you'd feel warmer stepping into freezer.
    -- Hoda Kotb will replace Matt Lauer as co-host of NBC's "Today."
    -- California didn't just legalize pot in the new year.
    -- Carrie Underwood said she "might look a bit different" after suffering a face injury.
    -- YouTube star Logan Paul gave an emotional apology for showing a video of an apparent suicide victim.