heather mcgee, thank you very much. that's all in for this week. alex wagner starts tonight. alex, you know heather. >> i do, and i spend not an insignificant amount of my time trying to get heather mcgee to do my show. and i just want to tell you, heather, i'm looking at the camera, 9:00 is only, now, it's 9:00. you can do this. you are welcome to stay, should i just say? thank you, my friend. >>> in the past eight years, donald trump has given three speeches, three, accepting his party's nomination for president. his first speech now feels like a lifetime ago. it will always be remembered for this moment. >> i have joy in the political arena, so that the powerful can no longer beat up on people who cannot defend themselves. nobody knows the system better than me. which is why i, alone, can fix it. >> i, alone, can fix it. that instantly became the thing everyone took away from the speech. it really nailed exactly how trump managed to turn the republican party into a cult of personality, focused on just one man, donald trump himself. but in the eight years since then, the cu