You can watch both LIVE and recorded coverage of this weekend's IAAF World Indoor Championships from Doha on UniversalSports.com (LIVE) and Universal Sports television (recorded). The schedule is as follows:
LIVE on UniversalSports.com:
Friday, March 12: 7:00 a.m. - 1:30 p.m. ET
Saturday, March 13: 6:45 - 11:15 a.m. ET
Sunday, March 14: 8:45 a.m. - 12:15 p.m. ET
Recorded on Universal Sports Television (widely available in the USA free-to-air):
Friday, March 12: 7-8 p.m. ET
Saturday, March 13: 7-9 p.m. ET
Sunday, March 14: 7-9 p.m. ET
Universal Sports will also be written coverage by journalist Joe Battaglia. They have set up a central coverage page here: UniversalSports.com
There is a handy "channel finder" box at that link so you can locate Universal Sports television in your area. For example, in New York City it is channel 4.4 on digital over-the-air broadcast.