Kamikaze Tactics in Modern Aerial Warfare, the Options and Feasibility.

The kamikaze tactics of the Japanese during the second world war brought in a new and unique dimension in aerial warfare, which has not been seen or repeated through subsequent conflicts. It indicated a desperate fight where human life was held less sacrosanct than the viability of the country. Would such tactics be relevant now in a war situation.

http://www.spartacus.schoolnet.co.uk/2WWjapanair.htm

a) Would there have to be variations in the attack mode used by the Japanese if such tactics are to be viable currently.
b) What kind of war in the modern era might most likely see the use of this tactic.
c) Which country/countries might be able to put this tactic to use.
d)What could be the likely targets.
e)What might be the tactics used to evade the kamikazes in the current air defence scenario.