

They absolutely have the capability. Even without their many aircraft capable of carrying nuclear bombs and fleet of nuclear-missile-carrying submarines, their Jericho III missiles have a range of 11,500 km. From that wiki page:
According to an official report that was submitted to the U.S. Congress in 2004, it may be that with a payload of 1,000 kg the Jericho III gives Israel nuclear strike capabilities within the entire Middle East, Africa, Europe, Asia and almost all parts of North America, as well as large parts of South America and North Oceania.
Regarding the Martin van Creveld quote, check this out.
I only put a portion of the quote in the search text to not exclude variations in punctuation between sentences. I wasn’t pointing to the string of characters in the search bar, but the results it yielded. The full quote is in the search results, including the threat on European capitals.
I’m not sure how you can continue to say this policy doesn’t pass the sniff test. The only context in which I have heard Samson option discussed is in regards to Israel taking out everyone with them. There’s been literally books written on the subject, showing Israel’s intent and capability (see the sources in the Samson option wiki page for the books).