>> reporter: president trump today tried to call speaker pelosi's bluff, writing, "dear madam speaker -- i look forward to seeing you on the evening of january 29th in the chamber of the house of representatives." adding, "it would be so very sad for our country if the state of the union were not delivered on time, on schedule, and very importantly, on location." pelosi's reaction? >> stay tuned. >> reporter: shortly after, she canceled his planned address to congress, writing, "dear mr. president -- i look forward to welcoming you to the house when government has been opened." >> your response to the house speaker? >> i'm not surprised. it's really a shame what's happening with the democrats. >> reporter: the president later taking this stab at pelosi. >> she doesn't want to hear the truth. she doesn't want the american public to hear what's going on. and she's afraid of the truth. and i think that's a great blotch on the incredible country that we all love.