Mr.Obama's comments marked the second time in two days that he interrupted his vacation in Hawaii to talk about the attempted attack.

VOA: standard.2009.12.29

But his speech was interrupted a number of times by anti-abortion hecklers, with most graduating students drowning out the hecklers in support of Mr.Obama.

VOA: standard.2009.05.17

As he spoke, a morgue attendant interrupted, bearing a clipboard with four new addresses.

VOA: standard.2010.08.10