QUES: I picked up a copy of the paper and under a fleeting streetlight read

correct the punctuation.

CORRECTED: I picked up a copy of the paper, and under a fleeting street-light read:

QUES: large disasters president explained rt 4

correct the punctuation.

CORRECTED: large disasters (president) explained rt: 4.

QUES: If you need us we are here

correct the punctuation.

CORRECTED:
If you need us, we are here!