>> joe scarborough, if it's way too early, what time is it? >> it's "morning joe." but stick around with chuck todd and "the daily run down." >> it's going to be luke. after months of scrutiny, scorn and ultimately 7.5 million sign-ups health and human services secretary kathleen sebelius says she's stepping down and president obama is expected to announce his nominee to succeed her later this morning. meantime, granite counters, scott brown makes it official in new hampshire, he wants back in the senate and he switched states to try something no one has done in modern politics. also this morning a personal appeal from pope francis, asking for forgiveness on the church's child sex abuse scandals. good morning from washington. it certainly is a busy friday morning april 1st, 2014. this is "the daily rundown." i'm luke russert in for chuck todd and we'll have an update on the horrible bus crash in california as well as here from