Donald Trump calls Mika Brzezinski 'dumb as a rock' in new tweet
The president woke up on Saturday and fired off another tweet about the 'Morning Joe' hosts
Colbert slams Trump for 'vicious,' 'shocking' Mika Brzezinski tweets
The 'Late Show' host slams the president for his 'vicious' and 'shocking' insults directed at 'Morning Joe' cohost Mika Brzezinski
Kellyanne Conway responds to Morning Joe hosts' claim she's in it 'for the money'
'The notion that I am serving for ‘the money’ or a ‘paycheck’ is absurd,' says the counselor to President Trump