Given a travel related situation, and given a specific question about the situation, summarize the question into a title

[Q]: I'm in Chile for another two weeks, but I lost my tourist card (PDI). This shouldn't be much of a problem because I can get a new one at the international police office.

However, tomorrow I have a domestic flight (Santiago to Punta Arenas) and I'm not sure if I need it for that. If so, I might run into a very tight schedule.

Do I need the tourist card for domestic flights or only when I leave the country?

[A]: Do I need my Tourist Card in Chile for domestic flights?

[Q]: Searching for flights from Aruba to Ottawa, Canada using Expedia.com I run into this gem:

Is this doable?

Also, I read somewhere you could do US Immigration in Aruba, is this correct? (This would definitely simplify the process in Newark if it were so)

The flight would be the 20th if November, does this date coincide with high season or something in the US?

[A]: 47 minute layover at Newark, is this doable?

[Q]: I'm looking to buy an open jaw return ticket LHR->JFK, then BOS->LHR (London-New York, then Boston-London) on Virgin Atlantic, however I can't seem to find such option on their website. Am I missing something or is it simply not available?

[A]:
Open jaw return on Virgin Atlantic website