<p>The head of the Pentagon insists Iran’s military is growing weary after five days of strikes. Pete Hegseth also says the U.S. is just getting started.</p><p><br></p><p>And: CBC News chief correspondent Adrienne Arsenault reports from the northern border of Israel near Lebanon, where strikes and sirens are a persistent fact of life.</p><p><br></p><p>Also: It's invisible, toxic and lurks in our homes. Radon is the second leading cause of lung cancer in Canada. And scientists say Canada should lower its guidelines on what’s an acceptable amount to have in your home.</p><p><br></p><p>Plus: Canada debates between Gripens and F-35s, Mexico tries to reassure potential FIFA visitors, is the world looking to Canada for safe oil and gas? …&nbsp;and more.</p>