There’s been another deadly crane collapse.  This time it happened in Miami.  While in Iraq, its been a bloody day of violence.  The battle: Iraqi forces vs.  Shiite rebels.   Back here in the U.S., John McCain is expected to pick up a BIG endorsement this afternoon.  And, at the bottom of planet Earth a massive melting.  Here’s your Afternoon Buzz:

Top Stories
Miami crane falls, 2 people killed 
Two people are confirmed dead and four are in serious condition after a piece of crane collapsed and fell through the roof of a home being used on a construction site in downtown Miami.

Iraqi militias protest raids
The political movement of powerful Shiite cleric Muqtada al-Sadr has launched a nationwide civil disobedience campaign across Iraq to protest raids and detentions against the group.

Oops! U.S. sends missile parts to Taiwan 
The U.S. Defense Department accidentally shipped ballistic missile components to Taiwan, the Pentagon said Tuesday.

Raw Politics
Nancy Reagan to endorse McCain 
Former first lady Nancy Reagan planned to endorse John McCain for president on Tuesday, as the Arizona senator continued to collect the backing of leading Republicans who might help him win over critical conservative voters.

Obama releases tax returns, challenges Clinton to follow suit
Barack Obama and his wife released their tax returns from 2000 to 2006 on his campaign Web site Wednesday, and the Illinois senator challenged Sen. Hillary Clinton to release hers.

McCain’s golden opportunity
While the Democratic presidential candidates are duking it out on the campaign trail, Sen. John McCain is trying to fill up his campaign coffers. But some supporters fear he’s not making the most of his time.

Clinton says she ‘misspoke’ about sniper fire 
Sen. Hillary Clinton said she “misspoke” last week when she gave a dramatic description of her arrival in Bosnia 12 years ago, recounting a landing under sniper fire.

Crime & Punishment
Police believe bank executive killed family,  self 
Investigators are focusing on a former bank executive who had been charged with embezzlement as they seek answers in the killings of his wife and four children, whose bodies were found in their Iowa home.

What YOU will be TALKING about TONIGHT
High School Cheerleader dies from breast implant complications 
Stephanie Kuleba had a charmed life: captain of the varsity cheerleading squad at West Boca High, a nearly perfect grade-point average, good looks and a ticket to the University of Florida, where she would start her journey toward becoming a medical doctor.

Britney goes for laughs 
Britney the Trainwreck showed how she can still be Britney the Performer.

Huge Antarctic ice chunk collapses
A chunk of Antarctic ice about seven times the size of Manhattan suddenly collapsed, putting an even greater portion of glacial ice at risk, scientists said Tuesday.